GK Questions and Answers on Chemistry: Hydrocarbons

Hydrocarbons are divided into two categories: Aliphatic hydrocarbon and Aromatic hydrocarbon. Let us solve the Quiz!

1. What is the old name of alkenes?

A. Olefins

B. Paraffin

C. Acetylene

D. None of the above

Ans. A

2. Which compound is used for making perfumes and dyes?

A. Ethyl 

B. Ethyl acetate

C. Ethanoate

D. Ethanone

Ans. B

3. In water alkanes are .......... ?

A. Soluble

B. Insoluble

C. Bitter in taste

D. Sweet in taste

Ans. B

4. In which hydrocarbon all the four valencies of carbon are linked together with single bond?

A. Alkanes

B. Alkenes

C. Alkynes

D. None of the above

Ans. A

5. Aromatic hydrocarbons are also known as ........... ?

A. Acetaldehyde

B. Butyne

C. Arenes

D. Arines

Ans C

List of important Organic Compounds

6. Name an organic compound in which RCOOCOR is a functional group?

A. Ester

B. Acid anhydride

C. Dimethyl ether

D. Aliphatic hydrocarbon

Ans. B

7. Name an open chain hydrocarbon which is odourless?

A. Aldehydes

B. Aromatic

C. Aliphatic

D. Acetate

Ans. C

8. Name a hydrocarbon which is a main component of natural gas?

A. Methyl

B. Methane

C. Ethyl

D. Methanol

Ans. B

9. Why alkanes are known as saturated hydrocarbon?

A. It consists of triple bond.

B. It consists of double bond.

C. It consists of single bond.

D. None of the above

Ans. C

10. What is the general formula of alkenes?

A. CnH2n

B. CnH2n-2

C. CnH2n+2

D. CnH2n+OH

Ans. A

Study hydrocarbons in details