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प्रश्न
Complete the correlation:
Alkene : C = C :: Alkyne: _______.
उत्तर
Alkene : C = C :: Alkyne: C ≡ C.
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संबंधित प्रश्न
Write the name and formula of the 2nd member of homologous series having general formula CnH2n + 2.
Write the molecular formula of first two members of homologous series having functional group – OH
What is the next higher homologue of methanol (CH3OH)?
Propane and ethane are ______.
Give the names and the structural formula of the first three members of the homologous series of alkanes.
What is homologous series ?
Write the name and molecular formula of the first member of the homologous series of alkynes.
Study the different conclusions drawn by students of a class on the basis of observations of preserved/available specimens of plants and animals.
I. Potato and sweet potato are analogous organs in plants.
II. Wings of insects and wings of birds are homologous organs in animals.
III. Wings of insects and wings of bats are analogous organs in animals.
IV. Thorns of citrus and tendrils of cucurbita are analogous organs in plants.
The correct conclusions are:
(A) I, and II
(B) II and IV
(C) I and III
(D) III and IV
Write the name and formula of the fourth member of the following homologous series:
Alkyne
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.
While going in an increasing order there is a rise in the molecular mass of the consecutive members of the homologous series by _______.
Saturated hydrocarbon : Single bond : : Unsaturated hydrocarbon : _______
Complete the following table for homologous series of alcohols.
| Name | Molecular formula | Condensed structural formula | Number of carbon atom | Number of -CH2- units | Boiling point °C |
| Methanol | CH4O | CH3-OH | 1 | 1 | 63 |
| Ethanol | C2H6O | CH3–CH2-OH | 2 | 2 | 78 |
| Propanol | C3H8O | CH3–CH2–CH2-OH | ______ | ______ | 97 |
| Butanol | C4H10O | CH3–CH2–CH2–CH2–OH | ______ | ______ | 118 |
Observe the structural formula and answer the following questions.
- Write the name of the given hydrocarbon.
- The given hydrocarbon is included in which type of hydrocarbon?
- What is the kind of compounds with the above characteristic structure called?
Which of the following pairs can be the successive members of a homologous series?
What is called homologous series? Give any three of its characteristics?
Name the following organic compound:
The first homologue whose general formula is CnH2n.
Write the chemical formula of two consecutive homologous of organic compounds having functional group - OH.
What happens to the (i) boiling point and (ii) solubility of organic compounds of a homologous series as the molecular mass increases?
Name and draw the electron dot structure of first homologue of alkynes series.
