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Selina solutions for Concise Chemistry [English] Class 10 ICSE chapter 12 - Organic Chemistry [Latest edition]

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Selina solutions for Concise Chemistry [English] Class 10 ICSE chapter 12 - Organic Chemistry - Shaalaa.com
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Solutions for Chapter 12: Organic Chemistry

Below listed, you can find solutions for Chapter 12 of CISCE Selina for Concise Chemistry [English] Class 10 ICSE.


Intext QuestionsIntext QuestionsEXERCISE - 12AEXERCISE - 12BEXERCISE - 12CEXERCISE - 12DEXERCISE - 12EEXERCISE - 12FMISCELLANEOUS
Intext Questions [Pages 188 - 187]

Selina solutions for Concise Chemistry [English] Class 10 ICSE 12 Organic Chemistry Intext Questions [Pages 188 - 187]

Intext Questions | Q 1. (a) | Page 188

What are organic compounds?

Intext Questions | Q 1. (b) | Page 188

What is the Vital force theory? Why was it discarded?

Intext Questions | Q 2. (a) | Page 188

Name a few sources of organic chemistry ?

Intext Questions | Q 2. (b) | Page 188

Give the various applications of organic chemistry ?

Intext Questions | Q 3. | Page 188

Organic chemistry plays a key role in all walks of life. Discuss

Intext Questions | Q 4. | Page 188

Carbon shows some unique properties, name them.

Intext Questions | Q 5. (a) | Page 188

Explain the following:

Tetravalency 

Intext Questions | Q 5. (b) | Page 188

Explain the following : Catenation 

Intext Questions | Q 6. | Page 188

Write any four properties of organic compounds that distinguish them from inorganic compounds.

Intext Questions | Q 7. | Page 188

Why are organic compounds studies as a separate branch of chemistry?

Intext Questions | Q 8. i. | Page 188

What are hydrocarbons?

Intext Questions | Q 8. ii. | Page 188

Compare saturated and unsaturated hydrocarbons?

Intext Questions | Q 9. | Page 188

Give reason for the existence of the large number of organic compounds.

Intext Questions | Q 10. (a) | Page 188

Give at least one example in case to show the structure of isomers of single-bond compounds.

Intext Questions | Q 10. (b) | Page 188

Give at least one example in case to show the structure of isomers of double bond compounds.

Intext Questions | Q 10. (c) | Page 188

Give at least one example in case to show the structure of isomers of a triple bond compound.

Intext Questions | Q 11. (a) | Page 188

Name a compound and draw the figure:

Cyclic compound with a single bond.

Intext Questions | Q 11. (b) | Page 188

Name a compound and draw the figure:

Cyclic compound with the triple bond.

Intext Questions | Q 12. (a) | Page 188

Give the name of one member of the saturated hydrocarbons.

Intext Questions | Q 12. (b) | Page 188

Give the name of one member of the unsaturated hydrocarbons.

Intext Questions | Q 13. i. | Page 188

Define the substitution reaction.

Intext Questions | Q 13. ii. | Page 188

Define addition reaction.

Intext Questions | Q 13. iii. | Page 188

Give an example of substitution reactions.

Intext Questions | Q 13. iv. | Page 187

Give an example of an addition reaction.

Intext Questions [Page 193]

Selina solutions for Concise Chemistry [English] Class 10 ICSE 12 Organic Chemistry Intext Questions [Page 193]

Intext Questions | Q 1. i | Page 193

Define a functional group.

Intext Questions | Q 1. ii. (a) | Page 193

Give the structural formula of the ketone.

Intext Questions | Q 1. ii. (b) | Page 193

Give the structural formula of the alcohols.

Intext Questions | Q 1. ii. (c) | Page 193

Give the structural formula of the aldehydes.

Intext Questions | Q 2. | Page 193

Write the name and formula of the fourth member of the following homologous series:

Alkyne

Intext Questions | Q 3. (i) | Page 193

Which part of an organic compound determines physical properties?

Intext Questions | Q 3. (ii) | Page 193

Which part of an organic compound determines chemical properties?

Intext Questions | Q 4. i | Page 193

Name the alkyl radical and the functional group of the following organic compound:

\[\ce{CH3OH}\]

Intext Questions | Q 4. ii | Page 193

Name the alkyl radical and the functional group of the following organic compound:

\[\ce{C2H5OH}\] 

Intext Questions | Q 4. iii | Page 193

Name the alkyl radical and the functional group of the following organic compound:

\[\ce{C3H7CHO}\]

Intext Questions | Q 4. iv | Page 193

Name the alkyl radical and the functional group of the following organic compound:

\[\ce{C4H9COOH}\]

Intext Questions | Q 4. v | Page 193

Name the alkyl radical and the functional group of the following organic compound:

\[\ce{CH3COOH}\]

Intext Questions | Q 4. vi | Page 193

Name the alkyl radical and the functional group of the following organic compound:

\[\ce{HCHO}\]

Intext Questions | Q 5. (a) | Page 193

What is an alkyl group?

Intext Questions | Q 5. (b) | Page 193

Give the names of any three alkyl radicals. How are they formed?

Intext Questions | Q 6. | Page 193

Give the names and the structural formula of the first three members of the homologous series of alkanes.

Intext Questions | Q 7. (a) | Page 193

What is a homologous series?

Intext Questions | Q 7. (b) | Page 193

What is the difference in the molecular formula of any two adjacent homologues:

(i) In terms of molecular mass

(ii) In terms of number and kind of atoms per molecule?

EXERCISE - 12A [Pages 194 - 196]

Selina solutions for Concise Chemistry [English] Class 10 ICSE 12 Organic Chemistry EXERCISE - 12A [Pages 194 - 196]

EXERCISE - 12A | Q 1. (a) | Page 194

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{CH3}\\
|\\
\ce{CH3 -C -CH3}\\
|\\
\ce{CH3}
\end{array}\]

EXERCISE - 12A | Q 1. (b) | Page 194

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{CH3 -CH -CH2 -CH3}\\
|\phantom{.......}\\
\ce{CH3}\phantom{.......}
\end{array}\]

EXERCISE - 12A | Q 1. (c) | Page 194

Write the IUPAC name of the following:

\[\begin{array}{cc}
\phantom{.}\ce{H\phantom{...}H\phantom{...}H}\\
\phantom{.}|\phantom{....}|\phantom{....}|\\
\ce{H - C = C - C -H}\\
\phantom{..........}|\\
\phantom{..........}\ce{H}
\end{array}\]

EXERCISE - 12A | Q 1. (d) | Page 194

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{CH3}\phantom{.........}\\
|\phantom{.........}\\
\ce{H3C - C - CH2CH2CH3}\\
|\phantom{.........}\\
\ce{CH3}\phantom{.........}
\end{array}\]

EXERCISE - 12A | Q 1. (e) | Page 194

Write the IUPAC name of the following:

\[\ce{CH3 - C ≡ C - CH2 CH3}\]

EXERCISE - 12A | Q 1. (f) | Page 194

Write the IUPAC name of the following:

\[\begin{array}{cc}
\phantom{............}\ce{CH3}\\
\phantom{.........}|\\
\ce{H - C ≡ C - C - H}\\
\phantom{.........}|\\
\phantom{............}\ce{CH3}
\end{array}\]

EXERCISE - 12A | Q 1. (g) | Page 195

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{Cl}\phantom{............}\\
|\phantom{.............}\\
\ce{CH3 - CH - CH - CH2 CH3}\\
|\\
\phantom{.}\ce{Cl}
\end{array}\]

EXERCISE - 12A | Q 1. (h) | Page 195

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{CH3}\phantom{...}\ce{CH3}\phantom{......}\\
|\phantom{......}|\phantom{.........}\\
\ce{CH2 - CH - CH2}\\
\phantom{...........}|\\
\phantom{.......................}\ce{CH2 CH2 CH3}
\end{array}\]

EXERCISE - 12A | Q 1. (I) | Page 195

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{H}\phantom{..}\ce{H}\\
|\phantom{...}|\\
\ce{H3C - C = C - CH3}\\
\end{array}\]

EXERCISE - 12A | Q 1. (j) | Page 195

Write the IUPAC name of the following:

\[\ce{CH3 - C ≡ C - CH2 CH2 CH2 CH3}\]

EXERCISE - 12A | Q 1. (k) | Page 194

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{CH3}\phantom{.............}\\
|\phantom{...............}\\
\ce{CH3 - C - CH2 CH2 CH2 CHO}\\
|\phantom{...............}\\
\ce{CH3}\phantom{............}
\end{array}\]

EXERCISE - 12A | Q 1. (l) | Page 195

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{CH3 - CH - CH2 CH2 CH3}\\
|\phantom{............}\\
\ce{OH}\phantom{..........}
\end{array}\]

EXERCISE - 12A | Q 1. (m) | Page 195

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{CH3 CH CH2 CH2 COOH}\\
|\phantom{..............}\\
\ce{CH3}\phantom{...........}
\end{array}\]

EXERCISE - 12A | Q 1. (n) | Page 195

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{CH3}\phantom{.....}\\
|\phantom{.....}\\
\ce{CH3 - C - CH2 CH3}\\
|\phantom{.....}\\
\ce{Br}\phantom{.....}
\end{array}\]

EXERCISE - 12A | Q 1. (o) | Page 195

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{CH3}\phantom{.........}\\
|\phantom{...........}\\
\ce{CH3 - CH - CH2 - CH2Br}
\end{array}\]

EXERCISE - 12A | Q 1. (p) | Page 195

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{H}\phantom{.........}\\
|\phantom{.........}\\
\ce{H - C - C ≡ C - H}\\
|\phantom{.........}\\
\ce{H}\phantom{.........}
\end{array}\]

EXERCISE - 12A | Q 1. (q) | Page 195

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{H - C = O}\\
|\\
\ce{H}
\end{array}\]

EXERCISE - 12A | Q 1. (r) | Page 195

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{H}\phantom{.........}\\
|\phantom{.........}\\
\ce{H - C - C ≡ C - H}\\
|\phantom{.........}\\
\ce{H}\phantom{.........}
\end{array}\]

EXERCISE - 12A | Q 1. (s) | Page 195

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{H\phantom{...}H\phantom{...}H\phantom{..}}\\
\phantom{..}|\phantom{....}|\phantom{....}|\phantom{....}\\
\ce{H - C - C - C - OH}\\
\phantom{..}|\phantom{....}|\phantom{....}|\phantom{....}\\
\ce{H\phantom{...}H\phantom{...}H\phantom{..}}\\
\end{array}\]

EXERCISE - 12A | Q 1. (t) | Page 195

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{\phantom{.....}H\phantom{...}O}\\
\phantom{.....}|\phantom{....}||\\
\ce{H - C - C}\\
\phantom{.....}|\phantom{....}|\\
\ce{\phantom{.......}H\phantom{...}OH}\\
\end{array}\]

EXERCISE - 12A | Q 1. (u) | Page 195

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{H\phantom{...}O}\\
|\phantom{....}||\\
\ce{H - C - C - H}\\
|\phantom{.....}\\
\ce{H}\phantom{.....}
\end{array}\]

EXERCISE - 12A | Q 1. (v) | Page 195

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{H\phantom{...}H}\\
|\phantom{....}|\\
\ce{H - C - C - H}\\
|\phantom{....}|\\
\ce{Cl\phantom{...}Cl}\\\end{array}\]

EXERCISE - 12A | Q 2. (a) | Page 195

Write the structure of the following compound:

Prop-1-ene

EXERCISE - 12A | Q 2. (b) | Page 195

The Structure of the Following Compound :

2,3-dimethylbutane

EXERCISE - 12A | Q 2. (c) | Page 195

Write the structure of the following compound: 

2 – methylpropane  

EXERCISE - 12A | Q 2. (d) | Page 195

Write the structure of the following compound:

3-hexene 

EXERCISE - 12A | Q 2. (e) | Page 195

Write the structure of the following compound:

prop-1-yne

EXERCISE - 12A | Q 2. (f) | Page 195

Write the structure of the following compound:

2-methylprop-1-ene

EXERCISE - 12A | Q 2. (g) | Page 195

Write the structure of the following compound:

Alcohol with molecular formula \[\ce{C4H10O}\]

EXERCISE - 12A | Q 3. (a) | Page 195

\[\ce{C5H11}\] is an ______.

  • alkane

  • alkene

  • alkyne

  • alkyl group

EXERCISE - 12A | Q 3. (b) | Page 195

A hydrocarbon of the general \[\ce{C_nH_{2n}}\] is ______.

  • \[\ce{C15H30}\]

  • \[\ce{C12H26}\]

  • \[\ce{C8H20}\]

  • \[\ce{C6H14}\]

EXERCISE - 12A | Q 3. (c) | Page 195

The total number of different carbon chains that four carbon atoms form in alkane is ______.

  • 5

  • 4

  • 3

  • 2

EXERCISE - 12A | Q 3. (d) | Page 195

\[\ce{CH3 - CH2 - OH}\] and \[\ce{CH3 - O - CH3}\] are ______.

  • position isomers

  • chain isomers 

  • homologous

  • functional group isomers

EXERCISE - 12A | Q 3. (e) | Page 195

The IUPAC name of the compound is

\[\begin{array}{cc}
\phantom{........}\ce{CH3}\\
\phantom{......}|\\
\ce{CH3 - CH2 - CH2 - CH - CH2 - CH3}
\end{array}\]

  • 3-trimethylhexane

  • 3-methylhexane

  • 4-methylhexane 

EXERCISE - 12A | Q 4. (a) | Page 195

Propane and ethane are ______.

  • Homologues

  • isomers

EXERCISE - 12A | Q 4. (b) | Page 195

A saturated hydrocarbon does not participate in a/an ______ reaction.

  • substitution

  • addition

EXERCISE - 12A | Q 4. (c) | Page 195

Succeeding members of a homologous series differ by ______.

  • \[\ce{CH}\]

  • \[\ce{CH2}\]

  • \[\ce{CH3}\]

EXERCISE - 12A | Q 4. (d) | Page 195

As the molecular masses of hydrocarbons increase, their boiling points ______ and melting points ______.

  • increase

  • decrease

EXERCISE - 12A | Q 4. (e) | Page 195

\[\ce{C25H52}\] and \[\ce{C50H102}\] belong to ______ homologous series.

  • the same

  • different

EXERCISE - 12A | Q 4. (f) | Page 195

\[\ce{CO}\] is an ______ compound.

  • organic

  • inorganic

EXERCISE - 12A | Q 4. (g) | Page 196

The chemical properties of an organic compound are largely decided by the ______ and the physical properties of an organic compound are largely decided by the ______.

  • functional group

  • number of carbon atoms

EXERCISE - 12A | Q 4. (h) | Page 196

\[\ce{CHO}\] is the functional group of an ______. 

  • alcohol

  • aldehyde

EXERCISE - 12A | Q 4. (i) | Page 196

Fill in the blank: 

The root in the IUPAC name of an organic compound depends upon the number of carbon atoms in _____________ 

  • any chain

  • principal chain

EXERCISE - 12A | Q 4. (j) | Page 196

But-1-ene and but-2-ene are examples of ______ isomerism.

  • chain

  • position

  • functional

EXERCISE - 12A | Q 5. i. | Page 196

Define or explain chain isomerism with an example.

EXERCISE - 12A | Q 5. ii. | Page 196

Define or explain position isomerism with an example.

EXERCISE - 12A | Q 6. (a). i | Page 196

Define the term isomerism.

EXERCISE - 12A | Q 6. (a). ii | Page 196

State two main causes of isomerism.

EXERCISE - 12A | Q 6. (b) | Page 196

Draw the chain isomers of hexane \[\ce{(C6H14)}\].

EXERCISE - 12A | Q 6. (c) | Page 196

Draw position isomers of butene (C4H8)?

EXERCISE - 12A | Q 7. (a) | Page 196

Draw the structural formula for the following compound:

isomer of n-butane

EXERCISE - 12A | Q 7. (b) | Page 196

Draw the structural formula for the following compound:

vinegar

EXERCISE - 12A | Q 7. (c) | Page 196

Draw the structural formula for the following compound:

2-propanol

EXERCISE - 12A | Q 7. (d) | Page 196

Draw the structural formula for the following compound:

Ethanal

EXERCISE - 12A | Q 7. (e) | Page 196

Draw the structural formula for the following compound:

Acetone

EXERCISE - 12A | Q 7. (f) | Page 196

Draw the structural formula for the following compound: diethyl ether

EXERCISE - 12A | Q 8. (a). (i) | Page 196

What is the special feature of the structure of (i) ethene (ii) ethyne

EXERCISE - 12A | Q 8. (a). (ii) | Page 196

What is the special feature of the structure of ethyne?

EXERCISE - 12A | Q 8. (b) | Page 196

What type of reaction is common to both the ethene and ethyne compounds? Why methane does not undergo this type of reaction.

EXERCISE - 12A | Q 8. (c) | Page 196

What is IUPAC name of dimethyl ether?

EXERCISE - 12A | Q 9. (i) | Page 196

Which type of reaction will ethane undergo?

EXERCISE - 12A | Q 9. (ii) | Page 196

Which type of reaction will Ethene undergo?

EXERCISE - 12A | Q 10. | Page 196

Choosing only words from the following list, write down appropriate words to fill in the blanks from (a) to (e) given below.

[Addition, carbohydrates, CnH2n−2, CnH2n, CnH2n+2, electrochemical homologous, hydrocarbon, saturated, substitution, unsaturated].

The alkanes from an (a) ______ series with the general formula (b) ______ The alkanes are (c) ______ (d) ______ which generally undergo (e) ______ reactions.

EXERCISE - 12A | Q 11. (a) | Page 196

Draw the structural formula of a compound with two carbon atoms in the following case.
An alkane with carbon to carbon single bond

EXERCISE - 12A | Q 11. (b) | Page 196

Draw the structural formula of a compound with two carbon atoms in the following case.
An alcohol containing two carbon atoms

EXERCISE - 12A | Q 11. (c) | Page 196

Draw the structural formula of a compound with two carbon atoms in the following case.
An unsaturated hydrocarbon with carbon to carbon  triple bond

EXERCISE - 12A | Q 12. (a) | Page 196

[Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol]

From the above list, name the compound with \[\ce{-OH}\] as the part of its structure.

EXERCISE - 12A | Q 12. (b) | Page 196

[Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol]

From the above, name the compound with \[\ce{-COOH}\] as part of its structure.

EXERCISE - 12A | Q 12. (c) | Page 196

[Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol]

From the above, name the homologue of the homologous series with the general formula CnH2n.

EXERCISE - 12A | Q 13. (a) | Page 196

Give the correct IUPAC name and the functional group for the compound whose structural formula is given below:

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{O}\\
\phantom{.}|\phantom{....}|\phantom{....}||\\
\ce{H - C - C - C - H}\\
|\phantom{....}|\phantom{.....}\\
\ce{H}\phantom{...}\ce{H}\phantom{.....}\\
\end{array}\]

EXERCISE - 12A | Q 13. (b) | Page 196

Give the correct IUPAC name and the functional group for the compound whose structural formula is given below:

\[\begin{array}{cc}
\ce{H\phantom{...}H\phantom{...}H\phantom{..}}\\
|\phantom{....}|\phantom{....}|\phantom{..}\\
\ce{H - C - C - C - OH}\\
|\phantom{....}|\phantom{....}|\phantom{..}\\
\ce{H\phantom{...}H\phantom{...}H\phantom{..}}
\end{array}\]

EXERCISE - 12A | Q 14. | Page 196

Copy and complete the following table which relates to three homologus series of hydrocarbons:

General formula CnH2n CnH2n-2 CnH2n+2
IUPAC name of the homologus series      
Characteristic bond type     Single bonds
IUPAC name of the first member of the series      
Type of reaction with chlorine   Addition  
EXERCISE - 12A | Q 15. (a) | Page 196

Fill in the blanks with the correct words from the brackets:

Alkenes are the (i) ______ (analogous/homologous) series of (ii) ______ (saturated/unsaturated) hydrocarbons. They differ from alkanes due to presence of (c) ______ (double/single) bonds. Alkenes mainly undergo (iv) ______ (addition/substitution) reactions.

EXERCISE - 12A | Q 15. (b) | Page 196

Fill in the blanks with the correct words from the brackets:

The organic compound which undergoes substitution reaction is ______. 

(C2H2, C2H4, C10H18, C2H6)

EXERCISE - 12A | Q 15. (c) | Page 196

Draw the structural formulae of the two isomers of Butane. Give the correct IUPAC name of each of the isomer.

EXERCISE - 12A | Q 16. (a) | Page 196

Name the saturated hydrocarbon containing two carbon atoms. 

EXERCISE - 12A | Q 16. (b) | Page 196

Name an alcohol with three carbon atom.

EXERCISE - 12A | Q 16. (c) | Page 196

Name a triple bond hydrocarbon with two carbon atoms.

EXERCISE - 12B [Page 202]

Selina solutions for Concise Chemistry [English] Class 10 ICSE 12 Organic Chemistry EXERCISE - 12B [Page 202]

EXERCISE - 12B | Q 1. | Page 202

State the sources of Alkanes. 

EXERCISE - 12B | Q 2. | Page 202

Methane is a greenhouse gas. comment. 

EXERCISE - 12B | Q 3. | Page 202

Give the general formula of alkanes. 

EXERCISE - 12B | Q 4. (a) | Page 202

Draw the structures of isomers of butane. Write the IUPAC and common names of these isomers.

EXERCISE - 12B | Q 4. (b) | Page 202

Draw the structures of the isomer of pentane. Write the IUPAC and common names of these isomer

EXERCISE - 12B | Q 5. (a). i. | Page 202

Write the molecular formula of methane.

EXERCISE - 12B | Q 5. (a). ii. | Page 202

Write the molecular formula of ethane.

EXERCISE - 12B | Q 5. (b). i. | Page 202

Write the electron dot formula of methane.

EXERCISE - 12B | Q 5. (b). ii. | Page 202

Write the electron dot formula of ethane.

EXERCISE - 12B | Q 5. (c). i. | Page 202

Write the structural formula of methane.

EXERCISE - 12B | Q 5. (c). ii. | Page 202

Write the structural formulae of the following compound:

Ethane

EXERCISE - 12B | Q 6. (a) | Page 202

How is methane prepared in the laboratory?

EXERCISE - 12B | Q 6. (b) | Page 202

How is ethane prepared in the laboratory? 

EXERCISE - 12B | Q 7. i. | Page 202

How is methane prepared from methyl iodide?

EXERCISE - 12B | Q 7. ii. | Page 202

How is ethane prepared from ethyl bromide?

EXERCISE - 12B | Q 8. i. | Page 202

What is the substitution reaction?

EXERCISE - 12B | Q 8. ii. | Page 202

Give the reaction of chlorine with ethane and name the product formed. 

EXERCISE - 12B | Q 9. (a) | Page 202

Name the compounds formed when methane burns in sufficient air. Give a balanced equation.

EXERCISE - 12B | Q 9. (b) | Page 202

Name the compounds formed when methane burns in insufficient air. Give a balanced equation 

EXERCISE - 12B | Q 10. (a). (i) | Page 202

Write the names and formula of the products formed when Methane reacts with : (i) Chlorine (ii) bromine. Write the chemical equations.

EXERCISE - 12B | Q 10. (a). (ii) | Page 202

Write the names and the formula of the products formed when methane reacts with bromine. Write the chemical equations.

EXERCISE - 12B | Q 10. (b). (i) | Page 202

Write the names and the formula of the products formed when ethane reacts with chlorine. Write the chemical equations. 

EXERCISE - 12B | Q 10. (b). (ii) | Page 202

Write the names and the formula of the products formed when ethane reacts with bromine. Write the chemical equations.

EXERCISE - 12B | Q 11. (a) | Page 202

Name the compound prepared from sodium propionate. Write the balanced equation for the same.

EXERCISE - 12B | Q 11. (b) | Page 202

Name the compound prepared from methyl iodide. Write the balanced equation for the same

EXERCISE - 12B | Q 11. (c) | Page 202

Name the compound prepared from ethyl bromide. Write a balanced equation for the same.

EXERCISE - 12B | Q 12. | Page 202

Write the chemical equation for the following:

Combustion of methane

EXERCISE - 12B | Q 13. (a) | Page 202

Convert methane into chloroform.

EXERCISE - 12B | Q 13. (b) | Page 202

Convert sodium acetate into methane.

EXERCISE - 12B | Q 13. (c) | Page 202

Convert methyl iodide into ethane.

EXERCISE - 12B | Q 13. (d) | Page 202

Convert methane to methyl alcohol.

EXERCISE - 12B | Q 14. (a) | Page 202

Give three uses of methane. 

EXERCISE - 12B | Q 14. (b) | Page 202

Give three uses of ethane. 

EXERCISE - 12B | Q 15. (a) | Page 202

Under what conditions does ethane gets converted to Ethyl alcohol

EXERCISE - 12B | Q 15. (b) | Page 202

Under what conditions does ethane get converted to acetaldehyde?

EXERCISE - 12B | Q 15. (c) | Page 202

Under what conditions does ethane gets converted to acetic acid? 

EXERCISE - 12B | Q 16. i. | Page 202

Using appropriate catalysts, ethane can be oxidized to an alcohol. Name the alcohol formed when ethane is oxidized.

EXERCISE - 12B | Q 16. ii. | Page 202

Using appropriate catalysts, ethane can be oxidized to an aldehyde. Name the aldehyde formed when ethane is oxidized.

EXERCISE - 12B | Q 16. iii. | Page 202

Using appropriate catalysts, ethane can be oxidized to an acid. Name the acid formed when ethane is oxidized.

EXERCISE - 12C [Page 206]

Selina solutions for Concise Chemistry [English] Class 10 ICSE 12 Organic Chemistry EXERCISE - 12C [Page 206]

EXERCISE - 12C | Q 1. (a) | Page 206

Write the molecular formula of ethene (Ethylene).

EXERCISE - 12C | Q 1. (b) | Page 206

Write the electron dot formula of ethene (ethylene).

EXERCISE - 12C | Q 1. (c) | Page 206

Write the structural formula of ethene (ethylene).

EXERCISE - 12C | Q 2. (a). i. | Page 206

The molecules of the alkene family are represented by a general formula CnH2n. Answer the following:

What do n signify? 

EXERCISE - 12C | Q 2. (a). ii. | Page 206

The molecules of the alkene family are represented by a general formula CnH2n. Answer the following:

What do 2n signify?

EXERCISE - 12C | Q 2. (b) | Page 206

The molecules of the alkene family are represented by a general formula CnH2n. Answer the following:

What is the name of the alkene when n = 4? 

EXERCISE - 12C | Q 2. (c) | Page 206

The molecules of the alkene family are represented by a general formula CnH2n. Answer the following:

What is the molecular formula of alkene when n = 4? 

EXERCISE - 12C | Q 2. (d) | Page 206

The molecules of the alkene family are represented by a general formula CnH2n. Answer the following:

What is the molecular formula of the alkene if there are ten H atoms in it? 

EXERCISE - 12C | Q 2. (e) | Page 206

The molecules of the alkene family are represented by a general formula CnH2n. Answer the following:

What is the structural formula of the third member of the alkene family? 

EXERCISE - 12C | Q 2. (f) | Page 206

The molecules of the alkene family are represented by a general formula CnH2n. Answer the following:

Write the molecular formula of lower and higher homologous of an alkene which contains four carbon atoms.

EXERCISE - 12C | Q 3. (a) | Page 206

Distinguish between the saturated hydrocarbon ethane and the unsaturated hydrocarbon ethene by drawing their structural formulae.

EXERCISE - 12C | Q 3. (b) | Page 206

Draw the structure of isomers of butene and write their IUPAC names.

EXERCISE - 12C | Q 4. | Page 206

Give a balanced equation for the lab. Preparation of ethylene. How is the gas collected? 

EXERCISE - 12C | Q 5. (a) | Page 206

How is ethene prepared by a dehydrohalogenation reaction? Give an equation and name the products formed.

EXERCISE - 12C | Q 5. (b) | Page 206

How is ethene prepared by a dehydration reaction? Give an equation and name the products formed.

EXERCISE - 12C | Q 6. (a) | Page 206

Ethylene (ethene), when reacts with halogens (chlorine and bromine) form saturated products. Name them and write balanced equations. 

EXERCISE - 12C | Q 6. (b) | Page 206

Give the conditions and the main products formed by hydrogenation of ethene. 

EXERCISE - 12C | Q 7. (a) | Page 206

Convert ethanol into ethene using a solid dehydrating agent. Give only balanced equation.

EXERCISE - 12C | Q 7. (b) | Page 206

Convert ethanol into ethene using hot conc. H2SO4. Give only balanced equation.

EXERCISE - 12C | Q 8. (a) | Page 206

Write the following property of ethene:

Physical state 

EXERCISE - 12C | Q 8. (b) | Page 206

Write the following property of ethene: 

Odour 

EXERCISE - 12C | Q 8. (c) | Page 206

Write the following property of ethene:

Density as compared to air 

EXERCISE - 12C | Q 8. (d) | Page 206

Write the following property of ethene:

Solubility 

EXERCISE - 12C | Q 9. (a) | Page 206

How would you convert ethyl bromide into ethene?

EXERCISE - 12C | Q 9. (b) | Page 206

How would you convert ethene into 1,2-dibromoethane? 

EXERCISE - 12C | Q 9. (c) | Page 206

How would you convert ethene into ethane?

EXERCISE - 12C | Q 10. (a) | Page 206

Give balanced equations when ethene is burnt in excess of oxygen.

EXERCISE - 12C | Q 10. (b) | Page 206

Give a balanced equation when ethene reacts with chlorine gas.

EXERCISE - 12C | Q 10. (c) | Page 206

Give balanced equations when ethene combines with hydrogen chloride.

EXERCISE - 12C | Q 10. (d) | Page 206

Give balanced equation when a mixture of ethene and hydrogen is passed over nickel at 200°C. 

EXERCISE - 12C | Q 11. (a) | Page 206

Give the formula and name of A, B, C and D in the following equation:

\[\ce{CH4 ->[Cl2][-HCl] A ->[Cl2][-HCl] B ->[Cl2][-HCl] C->[Cl2][-HCl] D}\]

EXERCISE - 12C | Q 11. (b) | Page 206

Give the formula and name of A, B, C and D in the following equation: 

\[\ce{C2H2 ->[H2] A ->[H2] B ->[Br2][-HBr] C ->[Br2][-HBr] D}\]

EXERCISE - 12C | Q 11. (c) | Page 206

Give the formula and name of A, B, C and D in the following equation:

\[\ce{C2H4 + B ->[200^\circ C][Ni] C2H6}\]

EXERCISE - 12C | Q 12. (a) | Page 206

Write the name and formula of the product formed in the case below: 

C2H4 + Cl2 → 

EXERCISE - 12C | Q 12. (b)

Write the name and formula of the product formed in the case below:

\[\ce{C2H5I + KOH(alc) ->[\Delta]}\] 

EXERCISE - 12C | Q 12. (c) | Page 206

Write the name and formula of the product formed in the case below: 

\[\ce{H2C = CH2 ->[alk.KMnO4]}\] 

EXERCISE - 12C | Q 12. (d) | Page 206

Write the name and formula of the product formed in the case below:

\[\ce{H2C = CH2 + HBr}\] →

EXERCISE - 12C | Q 13. | Page 206

What do you observe when ethene is passed through an alkaline KMnO4 solution?

EXERCISE - 12C | Q 14. | Page 206

Name three compounds formed by ethene and give one use of each compound.

EXERCISE - 12D [Page 210]

Selina solutions for Concise Chemistry [English] Class 10 ICSE 12 Organic Chemistry EXERCISE - 12D [Page 210]

EXERCISE - 12D | Q 1. i. | Page 210

What are the sources for alkynes?

EXERCISE - 12D | Q 1. ii. | Page 210

Give the general formula of alkynes.

EXERCISE - 12D | Q 2. | Page 210

Give an example of isomers shown by triple bond hydrocarbons (alkynes) and write their IUPAC names.

EXERCISE - 12D | Q 3. (a) | Page 210

Draw a diagram of acetylene prepared in the laboratory. 

EXERCISE - 12D | Q 3. (b) | Page 210

Give an equation of acetylene prepared in the laboratory.

EXERCISE - 12D | Q 3. (c) | Page 210

How is pure dry gas collected acetylene prepared in the laboratory?

EXERCISE - 12D | Q 4. | Page 210

Give the method of preparation of ethyne by 1, 2-dibromoethene.

EXERCISE - 12D | Q 5. (a) | Page 210

Name the hydrocarbon which is a tetrahedral molecule.

EXERCISE - 12D | Q 5. (b) | Page 210

Name the hydrocarbon which is a planar molecule.

EXERCISE - 12D | Q 5. (c) | Page 210

Name the hydrocarbon which is a linear molecule.

EXERCISE - 12D | Q 5. (d) | Page 210

Name the hydrocarbon which forms a red precipitate with ammoniacal solution of copper (I) chloride.

EXERCISE - 12D | Q 5. (e) | Page 210

Name the hydrocarbon which is known as paraffin.

EXERCISE - 12D | Q 5. (f) | Page 210

Name the hydrocarbon which is known as olefin.

EXERCISE - 12D | Q 5. (g) | Page 210

Name the hydrocarbon which will give acetylene (ethyne) gas when treated with water.

EXERCISE - 12D | Q 6. 1 | Page 210

Classify the compound C3H4 as alkanes, alkenes, and alkynes.

EXERCISE - 12D | Q 6. 2 | Page 210

Classify the compound C3H8 as alkanes, alkenes, and alkynes.

EXERCISE - 12D | Q 6. 3 | Page 210

Classify the compound C5H8 as alkanes, alkenes, and alkynes.

EXERCISE - 12D | Q 6. 4 | Page 210

Classify the C3Hcompound as alkanes, alkenes, and alkynes.

EXERCISE - 12D | Q 7. (a) | Page 210

Give a chemical test to distinguish between Saturated and Unsaturated?

EXERCISE - 12D | Q 7. (b) | Page 210

Give a chemical test to distinguish between ethane and ethene.

EXERCISE - 12D | Q 7. (c) | Page 210

Give a chemical test to distinguish between ethene (ethylene) and ethyne (acetylene).

EXERCISE - 12D | Q 8. (a) | Page 210

Compound X bubbled through bromine dissolved in carbon tetrachloride CCl4;

\[\begin{array}{cc}
\ce{X ->[Br2CCl4] CH2Br}\\
\phantom{......}|\\
\phantom{...........}\ce{CH2Br}\\
\end{array}\]

Draw the structure of X.

EXERCISE - 12D | Q 8. (b) | Page 210

Compound X bubbled through bromine dissolved in carbon tetrachloride CCl4;

\[\begin{array}{cc}
\ce{X ->[Br2CCl4] CH2Br}\\
\phantom{......}|\\
\phantom{...........}\ce{CH2Br}\\
\end{array}\]

State your observation during the reaction.

EXERCISE - 12D | Q 9. (a) | Page 210

Give a balanced equation for the following conversion.

An alkene to an alkane.

EXERCISE - 12D | Q 9. (b) | Page 210

Give a balanced equation for the following conversion.

An alkene to an alcohol.

EXERCISE - 12D | Q 9. (c) | Page 210

Give a balanced equation for the following conversion.

An alkyne to an alkene.

EXERCISE - 12D | Q 10. (a) | Page 210

Name the products formed and write an equation when ethyne is added to the following in an inert solvent:

Chlorine

EXERCISE - 12D | Q 10. (b) | Page 210

Name the products formed and write an equation when ethyne is added to the following in an inert solvent:

Bromine

EXERCISE - 12D | Q 10. (c) | Page 210

Name the products formed and write an equation when ethyne is added to the following in an inert solvent:

Iodine

EXERCISE - 12D | Q 10. (d) | Page 210

Name the products formed and write an equation when ethyne is added to the following in an inert solvent:

hydrogen

EXERCISE - 12D | Q 10. (e) | Page 210

Name the products formed and write an equation when ethyne is added to the following in an inert solvent:

excess of hydrochloric acid

EXERCISE - 12D | Q 11. | Page 210

Substitution reactions are characteristic reactions of ______.

  • alkynes

  • alkenes

  • alkanes

EXERCISE - 12D | Q 12. (a). (i) | Page 210

Write an equation for the laboratory preparation of an unsaturated hydrocarbon from calcium carbide.

EXERCISE - 12D | Q 12. (a). (ii) | Page 210

Write an equation for the laboratory preparation of an alcohol from ethyl bromide.

EXERCISE - 12D | Q 12. (b) | Page 210

What would you see, when ethyne is bubbled through a solution of bromine in carbon tetrachloride?

EXERCISE - 12D | Q 12. (c) | Page 210

Name the addition product formed between ethene and water.

EXERCISE - 12D | Q 13. (a) | Page 210

Give reasons:

Ethyne is more reactive than ethene.

EXERCISE - 12D | Q 13. (b) | Page 210

Give reasons:

Ethene is more reactive than ethane.

EXERCISE - 12D | Q 13. (c) | Page 210

Give reasons:

Hydrocarbons are excellent fuels.

EXERCISE - 12D | Q 14. (a) (i) | Page 210

Write a balanced equation when butane is burnt in oxygen.

EXERCISE - 12D | Q 14. (a) (ii) | Page 210

Write a balanced equation:

Preparation of ethylene from ethyl alcohol.

EXERCISE - 12D | Q 14. (b) (i) | Page 210

Convert ethane to acetic acid.

EXERCISE - 12D | Q 14. (b) (ii) | Page 210

Convert ethyne to ethane.

EXERCISE - 12D | Q 15. (a) | Page 210

Write the equation for the preparation of carbon tetrachloride from methane.

EXERCISE - 12D | Q 15. (b) | Page 210

Draw the structure formula of ethyne.

EXERCISE - 12D | Q 15. (c) | Page 210

How is the structure of alkynes different from that of alkenes?

EXERCISE - 12E [Page 214]

Selina solutions for Concise Chemistry [English] Class 10 ICSE 12 Organic Chemistry EXERCISE - 12E [Page 214]

EXERCISE - 12E | Q 1. (a). i. | Page 214

What are alcohols?

EXERCISE - 12E | Q 1. (a). ii. | Page 214

State the sources of alcohol.

EXERCISE - 12E | Q 1. (b) | Page 214

Give general formulae of monohydric alcohol?

EXERCISE - 12E | Q 2. (a) | Page 214

Give the dot diagram of the first member of the alcohol.

EXERCISE - 12E | Q 2. (b) | Page 214

Give the abbreviated formula of the third member of the alcohol.

EXERCISE - 12E | Q 2. (c) | Page 214

Give the structure of the second member of the alcohol group

EXERCISE - 12E | Q 2. (d) | Page 214

Give the structure of alcohol with 4 carbon atoms.

EXERCISE - 12E | Q 3. (a) | Page 214

State the method of preparation of ethanol by hydrolysis of ethene.

EXERCISE - 12E | Q 3. (b) | Page 214

State the method of preparation of ethanol by hydrolysis of ethyl bromide.

EXERCISE - 12E | Q 4. | Page 214

Halo alkanes react with alkalies to produce alcohol. Give the equation for the preparation of the second member of the homologous series of alcohol. State under what condition the reaction occurs.

EXERCISE - 12E | Q 5. (a) | Page 214

How do the boiling point and melting point change in the homologous series of alcohols?

EXERCISE - 12E | Q 5. (b) | Page 214

Name the product formed when ethanol reacts with acetic acid. Give an equation. What is the name given to this type of reaction?

EXERCISE - 12E | Q 6. (a) | Page 214

Complete and balance the following equation. State the condition wherever necessary.

\[\begin{array}{cc}
\ce{CH}\phantom{..............................}\\
\ce{|||\phantom{..}+ H2 -> \underline{}\underline{}\underline{}\underline{} + H2 -> \underline{}\underline{}\underline{}\underline{}}\\
\ce{CH}\phantom{..............................}
\end{array}\]

EXERCISE - 12E | Q 6. (b) | Page 214

Complete and balance the following equation. State the condition wherever necessary.

C2H4 + Br2 → ______

EXERCISE - 12E | Q 6. (c) | Page 214

Complete and balance the following equation. State the condition wherever necessary.

C2H4 + HCl  → ______

EXERCISE - 12E | Q 6. (d) | Page 214

Complete and balance the following equation. State the condition wherever necessary.

CaC2 + H2O → ______

EXERCISE - 12E | Q 6. (e) | Page 214

Complete and balance the following equation. State the condition wherever necessary.

C2H2 + Br2 → ______

EXERCISE - 12E | Q 6. (f) | Page 214

Complete and balance the following equation. State the condition wherever necessary.

\[\ce{C2H5OH ->[O][K2Cr2O7]}\] ______

EXERCISE - 12E | Q 7. | Page 214

What is the effect of ethanol on the human body?

EXERCISE - 12E | Q 8. (a) | Page 214

How is the absolute alcohol obtained?

EXERCISE - 12E | Q 8. (b) | Page 214

How is the spurious alcohol obtained?

EXERCISE - 12E | Q 8. (c) | Page 214

How is the methylated spirit obtained?

EXERCISE - 12E | Q 9. (a) | Page 214

Name the products formed and give appropriate chemical equations for the following:

sodium reacting with ethyl alcohol.

EXERCISE - 12E | Q 9. (b) | Page 214

Name the product formed and give an appropriate chemical equation for the following:

Ethanol oxidised by acidified potassium dichromate?

EXERCISE - 12E | Q 10. (a) | Page 214

Give the trivial (common) name and IUPAC name of the following:

C3H6

EXERCISE - 12E | Q 10. (b) | Page 214

Give the trivial (common) name and IUPAC name of the following:

C2H4

EXERCISE - 12E | Q 10. (c) | Page 214

Give the trivial (common) name and IUPAC name of the following:

C2H2

EXERCISE - 12E | Q 10. (d) | Page 214

Give the trivial (common) name and the IUPAC name of the following:

CH3OH.

EXERCISE - 12E | Q 10. (e) | Page 214

Give the trivial (common) name and the IUPAC name of the following:

C2H5OH.

EXERCISE - 12E | Q 11. | Page 214

Ethanol can be oxidized to ethanoic acid. Write the equation and name the oxidizing agent.

EXERCISE - 12E | Q 12. (a) | Page 214

Name an organic compound which is used for illuminating country houses.

EXERCISE - 12E | Q 12. (b) | Page 214

Name an organic compound which is used for making a household plastic material.

EXERCISE - 12E | Q 12. (c) | Page 214

Name an organic compound which is called 'wood spirit'.

EXERCISE - 12E | Q 12. (d) | Page 214

Name an organic compound which is poisonous and contains OH group.

EXERCISE - 12E | Q 12. (e) | Page 214

Name an organic compound which is consumed as a drink.

EXERCISE - 12E | Q 12. (f) | Page 214

Name an organic compound which is Made from water gas ?

EXERCISE - 12E | Q 12. (g) | Page 214

Name an organic compound which is: solvent for gums and resins.

EXERCISE - 12E | Q 12. (h) | Page 214

Name an organic compound which is dehydrated to produce ethene.

EXERCISE - 12E | Q 13. (a) | Page 214

Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the bracket to complete the following sentence.
The conversion of ethanol into ethene is an example of ______. (dehydration, dehydrogenation).

EXERCISE - 12E | Q 13. (b) | Page 214

Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the bracket to complete the following sentence.
Converting ethanol into ethene requires the use of ______. (conc. HCl, conc. HNO3, conc. H2SO4

EXERCISE - 12E | Q 13. (c) | Page 214

Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the bracket to complete the following sentence.

The conversion of ethene into ethane is an example of ______. (hydration, hydrogenation).

EXERCISE - 12E | Q 14. (a) | Page 214

Write the equation of the following laboratory preparation:

Ethane from sodium propionate

EXERCISE - 12E | Q 14. (b) | Page 214

Write the equation of the following laboratory preparation: 

Ethene from iodoethane

EXERCISE - 12E | Q 14. (c) | Page 214

Write the equation for the following lab preparation:

Ethyne from Calcium carbide

EXERCISE - 12E | Q 14. (d) | Page 214

Write the equation for the following lab preparation:

Methanol from iodomethane.

EXERCISE - 12E | Q 15. (i) | Page 214

Name the compound prepared by the following reaction:

C2H5COONa +NaOH → 

EXERCISE - 12E | Q 15. (ii) | Page 214

Name the compound prepared by the following reaction:

CH3I +2H → 

EXERCISE - 12E | Q 15. (iii) | Page 214

Name the compound prepared by the following reaction:

C2H5Br + KOH (alcoholic solution) → 

EXERCISE - 12E | Q 15. (iv) | Page 214

Name the compound prepared by the following reaction:

CO + 2H2 (Zinc oxide catalyst) →

EXERCISE - 12E | Q 15. (v) | Page 214

Name the compound prepared by the following reaction:

CaC2 + 2H2O → 

EXERCISE - 12E | Q 16. (a) | Page 214

Write the equation for the following reaction:

Calcium carbide and water

EXERCISE - 12E | Q 16. (b) | Page 214

Write the equation for the following reaction:

Ethene and water (steam)

EXERCISE - 12E | Q 16. (c) | Page 214

Write the equation for the following reaction:

Bromoethane and an aqueous solution of sodium hydroxide.

EXERCISE - 12E | Q 16. (d) | Page 214

Give the trivial (common) name and the IUPAC name of the following:

CH3OH.

EXERCISE - 12E | Q 13. (d) | Page 214

Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the bracket to complete the following sentence.

The catalyst used in the conversion of ethene to ethane is commonly ______ (iron, cobalt, nickel).

EXERCISE - 12F [Page 217]

Selina solutions for Concise Chemistry [English] Class 10 ICSE 12 Organic Chemistry EXERCISE - 12F [Page 217]

EXERCISE - 12F | Q 1. i. | Page 217

What are carboxylic acids?

EXERCISE - 12F | Q 1. ii. | Page 217

Give the general formula of carboxylic acids.

EXERCISE - 12F | Q 2. (a) | Page 217

Write the name of the first three members of the carboxylic acid series.

EXERCISE - 12F | Q 2. (b) | Page 217

Write the names of three compounds which can be oxidised directly or in stages to produce acetic acid.

EXERCISE - 12F | Q 3. (a) | Page 217

Give the structural formulae of acetic acid.

EXERCISE - 12F | Q 3. (b) | Page 217

IUPAC name of acetic acid.

EXERCISE - 12F | Q 4. | Page 217

Vinegar is greyish in colour with a particular taste. Explain.

EXERCISE - 12F | Q 5. (a) | Page 217

Complete:

Vinegar is prepared by the bacterial oxidation of ______.

EXERCISE - 12F | Q 5. (b) | Page 217

Complete :

The organic acid present in vinegar is ……………………..

EXERCISE - 12F | Q 5. (c) | Page 217

Complete:

The next higher homologue of ethanoic acid is ______.

EXERCISE - 12F | Q 6. (a) | Page 217

How is acetic acid prepared from ethanol?

EXERCISE - 12F | Q 6. (b) | Page 217

How is acetic acid prepared from acetylene?

EXERCISE - 12F | Q 7. (a) | Page 217

What do you notice when acetic acid reacts with litmus?

EXERCISE - 12F | Q 7. (b) | Page 217

What do you notice when acetic acid reacts with metals?

EXERCISE - 12F | Q 7. (c) | Page 217

What do you notice when acetic acid reacts with alkalies?

EXERCISE - 12F | Q 7. (d) | Page 217

What do you notice when acetic acid reacts with alcohol?

EXERCISE - 12F | Q 8. (a) | Page 217

Acetic acid is a typical acid. Write one equation in case of its reactions with a metal?

EXERCISE - 12F | Q 8. (b) | Page 217

Acetic acid is a typical acid. Write one equation in case of its reactions with a base/alkali?

EXERCISE - 12F | Q 8. (c) | Page 217

Acetic acid is a typical acid. Write one equation in case of its reactions with a carbonate.

EXERCISE - 12F | Q 8. (d) | Page 217

Acetic acid is a typical acid. Write one equation in case of its reactions with a bicarbonate.

EXERCISE - 12F | Q 9. (a) | Page 217

What do you observe when acetic acid is added to sodium bicarbonate?

EXERCISE - 12F | Q 9. (b) | Page 217

What do you observe when acetic acid is added to ethyl alcohol in the presence of sulphuric acid?

EXERCISE - 12F | Q 9. (c) | Page 217

What do you observe when acetic acid is added to a neutral FeCl3 solution?

EXERCISE - 12F | Q 10. (a) | Page 217

Name the compound formed when acetic acid and ethanol react together?

EXERCISE - 12F | Q 10. (b) | Page 217

Name the reducing agent used to convert acetic acid into ethanol?

EXERCISE - 12F | Q 10. (c) | Page 217

Name the substance used to change acetic acid to acetic anhydride?

EXERCISE - 12F | Q 3. (c) | Page 217

What is glacial acetic acid ?

MISCELLANEOUS [Page 217]

Selina solutions for Concise Chemistry [English] Class 10 ICSE 12 Organic Chemistry MISCELLANEOUS [Page 217]

MISCELLANEOUS | Q 1. (a) | Page 217

Which of the following statements is wrong about alkanes?

  • They are all saturated hydrocarbons.

  • They can undergo addition as well as substitution reaction.

  • They are almost non-polar in nature.

  • On complete combustion, they give out carbon dioxide and water.

MISCELLANEOUS | Q 1. (b) | Page 217

The organic compound obtained as the end product of the fermentation of a sugar solution is ______.

  • Methanol

  • Ethanol

  • Ethane

  • Methanoic acid

MISCELLANEOUS | Q 1. (c) | Page 217

Find the odd one out and explain:

  • C3H8

  • C5H10

  • C2H6

  • CH4

MISCELLANEOUS | Q 2. (a) | Page 217

Give the chemical equation for the laboratory preparation of methane from sodium acetate.

MISCELLANEOUS | Q 2. (b) | Page 217

Give the chemical equation for the reaction of one mole of ethene with one mole of chlorine gas.

MISCELLANEOUS | Q 2. (c) | Page 217

Give the chemical equation for the preparation of ethyne from 1, 2-dibromoethane.

MISCELLANEOUS | Q 3. (a) | Page 217

State how the following conversion can be carried out:

Ethyl chloride to Ethyl alcohol

MISCELLANEOUS | Q 3. (b) | Page 217

State how the following conversion can be carried out:

Ethyl chloride to ethene

MISCELLANEOUS | Q 3. (c) | Page 217

State how the following conversion can be carried out:

Ethene to ethyl alcohol

MISCELLANEOUS | Q 3. (d) | Page 217

State how the following conversion can be carried out:

Ethyl alcohol to ethene

MISCELLANEOUS | Q 4. (a) | Page 217

Define isomerism.

MISCELLANEOUS | Q 4. (b) | Page 217

Give the IUPAC name of the isomer C4H10 which has a branched-chain.

MISCELLANEOUS | Q 5. | Page 217

A compound X when treated with an organic acid Y (having vinegar-like smell) in the presence of the acid Z, forms a compound P which has a fruity smell.

  1. Identify X, Y, and Z
  2. Write the structural formula of X and Y.
  3. What type of compound P is?
  4. Name the above reaction.
  5. If compound X and Y both have 2 carbon atoms. Write the reaction.

Solutions for 12: Organic Chemistry

Intext QuestionsIntext QuestionsEXERCISE - 12AEXERCISE - 12BEXERCISE - 12CEXERCISE - 12DEXERCISE - 12EEXERCISE - 12FMISCELLANEOUS
Selina solutions for Concise Chemistry [English] Class 10 ICSE chapter 12 - Organic Chemistry - Shaalaa.com

Selina solutions for Concise Chemistry [English] Class 10 ICSE chapter 12 - Organic Chemistry

Shaalaa.com has the CISCE Mathematics Concise Chemistry [English] Class 10 ICSE CISCE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Selina solutions for Mathematics Concise Chemistry [English] Class 10 ICSE CISCE 12 (Organic Chemistry) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

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Concepts covered in Concise Chemistry [English] Class 10 ICSE chapter 12 Organic Chemistry are Special Features of Carbon, Functional Groups in Carbon Compounds, Laboratory Preparation of Methane, Ethene (Ethylene), Laboratory Preparation of Ethyne, Organic Compounds, Organic Compounds in Daily Life, Hydrocarbons, Ethane, Preparation of Ethene (Ethylene), Alcohol, Ethanol, Laboratory Preparation of Ethanol, Classification of Organic Compound Based on the Kind of Atoms, Homologous Series of Carbon Compound, Classification of Organic Compounds Based on the Pattern of Carbon Chain, IUPAC Nomenclature of Hydrocarbons, Hydrocarbons: Alkynes, Ethyne, Nomenclature of Organic Compounds, Carbon: a Versatile Element, Classification of Compounds of Carbon, IUPAC Nomenclature of other classes, Alkyl Group, Isomers, Hydrocarbons: Alkanes, Methane, Laboratory Preparation of Ethane, Hydrocarbons: Alkenes, Carboxylic Acids, Ethanoic Acid, Special Features of Carbon, Functional Groups in Carbon Compounds, Laboratory Preparation of Methane, Ethene (Ethylene), Laboratory Preparation of Ethyne, Organic Compounds, Organic Compounds in Daily Life, Hydrocarbons, Ethane, Preparation of Ethene (Ethylene), Alcohol, Ethanol, Laboratory Preparation of Ethanol, Classification of Organic Compound Based on the Kind of Atoms, Homologous Series of Carbon Compound, Classification of Organic Compounds Based on the Pattern of Carbon Chain, IUPAC Nomenclature of Hydrocarbons, Hydrocarbons: Alkynes, Ethyne, Nomenclature of Organic Compounds, Carbon: a Versatile Element, Classification of Compounds of Carbon, IUPAC Nomenclature of other classes, Alkyl Group, Isomers, Hydrocarbons: Alkanes, Methane, Laboratory Preparation of Ethane, Hydrocarbons: Alkenes, Carboxylic Acids, Ethanoic Acid.

Using Selina Concise Chemistry [English] Class 10 ICSE solutions Organic Chemistry exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Selina Solutions are essential questions that can be asked in the final exam. Maximum CISCE Concise Chemistry [English] Class 10 ICSE students prefer Selina Textbook Solutions to score more in exams.

Get the free view of Chapter 12, Organic Chemistry Concise Chemistry [English] Class 10 ICSE additional questions for Mathematics Concise Chemistry [English] Class 10 ICSE CISCE, and you can use Shaalaa.com to keep it handy for your exam preparation.

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