Balbharati solutions for Chemistry [English] 11 Standard chapter 15 - Hydrocarbons [Latest edition]

Choose the correct option.

Which of the following compound has the highest boiling point?

Choose the correct option.

Acidic hydrogen is present in _______.

Choose the correct option.

Identify 'A' in the following reaction:

\[\begin{array}{cc}
\ce{CH3 - C = CH2 ->[A] CH3 - C - CH3 + CO2 + H2O}\\|\phantom{...................}||\phantom{..............}\\
\ce{CH3}\phantom{................}\ce{O}\phantom{..............}
\end{array}\]

Choose the correct option.

The major product of chlorination of ethyl benzene is _______.

Choose the correct option.

1-Chloropropane on treatment with alc. KOH produces _______.

Name the following:

The type of hydrocarbon that is used as a lubricant.

Name the following:

Alkene used in the manufacture of polythene bags.

Name the following:

The hydrocarbon said to possess carcinogenic property.

Name the following:

What are the main natural sources of alkane?

Arrange the three isomers of alkanes with molecular formula C₅H₁₂ in increasing order of boiling points and write their IUPAC names.

Write IUPAC names of the products obtained by the reaction of cold concentrated sulphuric acid followed by water with the following compounds.

Propene

Write IUPAC names of the products obtained by the reaction of cold concentrated sulphuric acid followed by water with the following compound.

but-l-ene

Write a balanced chemical reaction for the preparation of ethane from Ethyl bromide.

Write a balanced chemical reaction for the preparation of ethane from Ethyl magnesium iodide.

How many monochlorination product is possible for 2-methylpropane? Draw their structures and write their IUPAC names.

How many monochlorination product is possible for 2-methylbutane? Draw their structures and write their IUPAC names.

Write all the possible products for pyrolysis of butane.

Which of the following will exhibit geometrical isomerism?

What is the action of following on ethyl iodide?

alc. KOH

What is the action of following on ethyl iodide?

Zn, HCl

An alkene ‘A’ on ozonolysis gives 2 moles of ethanal. Write the structure and IUPAC name of ‘A’.

Acetone and acetaldehyde are the ozonolysis products of an alkene. Write the structural formula of an alkene and give IUPAC name of it.

Write the reaction to convert propene to n-propyl alcohol.

Write the reaction to convert propene to isopropyl alcohol.

What is the action of following on but-2-ene?

dil. alkaline KMnO₄

What is the action of following on but-2-ene?

acidic KMnO₄

Complete the following reaction sequence:

\[\ce{HC ≡ CH ->[LiNH2] A ->[CH3CH2Cl] B ->[HBr] C}\]

Comment on the acidic nature of B.

Write the balanced chemical reaction to get benzene from Sodium benzoate.

Write the balanced chemical reaction to get benzene from Phenol.

Predict the possible product of the following reaction.

Chlorination of nitrobenzene

Predict the possible product of the following reaction.

sulphonation of chlorobenzene

Predict the possible product of the following reaction.

bromination of phenol

Predict the possible product of the following reaction.

nitration of toluene

Identify the main product of the reaction:

\[\ce{CH3 - CH2 - CH3 ->[O2][\Delta]}\] ______.

Identify the main product of the reaction.

\[\begin{array}{cc}
\ce{CH3 - CH - CH3 ->[{60%}H2SO4][373 K]}\\
|\phantom{............}\\\ce{OH}\phantom{..........}
\end{array}\] _______.

Identify the main product of the reaction:

\[\ce{HC ≡ C - CH3 ->[H2][Pd-C/quinoline]}\] _______.

Identify the main product of the reaction:

\[\ce{H - C ≡ C - H + H - O ->[{40%} H2SO4][{1%} HgSO4]}\] _____.

Read the following reaction and answer the questions given below.

\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\\phantom{...........................}|\\\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}\end{array}\]

1. Write the IUPAC name of the product.
2. State the rule that governs the formation of this product.

Identify A, B, C in the following reaction sequence:

\[\ce{CH3 - CH = CH2 ->[Br2/CCl4][room temperature] A ->[Zn] B ->[dil. alkaline][KMnO4] C}\]

Identify giving reason whether the following compound is aromatic or not.

Identify giving reason whether the following compound is aromatic or not.

Identify giving reason whether the following compound is aromatic or not.

Identify giving reason whether the following compound is aromatic or not.

Name two reagents used for acylation of benzene.

Read the following reaction and answer the questions given below:

1. Write the name of the reaction.
2. Identify the electrophile in it.
3. How is this electrophile generated?