Chains, Rings and Branches

Q.

Name a cyclic unsaturated cyclic compound

Q.

In the structure

Which one is quaternary carbon atom?

1. C – 1

2. C – 2

3. C – 3

4. C – 5

Q.

Compounds made up of carbon and hydrogen only are called

1. Alkanes

2. Alkenes

3. Alkynes

4. Hydrocarbons

Q.

If a saturated hydrocarbon contains four carbon atoms, then how many different arrangements of carbon skeleton are possible?

1. Four

2. Five

3. Two

4. One

Q.

Identify the structure of C₆H_6.

1. 
2. 
3. 
4. 

Q.

Number of C–H and C–C bonds respectively in compound given below are-

1. 21, 10

2. 22, 9

3. 9, 22

4. 10, 21

Q.

Name two cyclic compounds and write their chemical formula.

Q.

Which of the following pairs are not isomers ?

1. n-butane and iso-butane

2. n-pentane and neo-pentane

3. 1-butyne and 2-butyne

4. Propane and methyl propane

Q.

The hydrocarbons containing only carbon-carbon single bonds are known as

___

Q. Choose the correct structure of $C_6{H}_{12}$.

1. 
2. 
3. both the structures.
4. none of these.

Q. Which of the followings represents the correct increasing order of unsaturated carbon? (A)Alkynes, Alkynes, Alkenes (B)Alkanes, Alkynes, Alkenes (C)Alkenes, Alkynes, Alkanes (D)Alkanes, Alkenes, Alkynes

Q. The formula for the given compound is

1. $C_6{H}_{14}$
2. $C_6{H}_{12}$
3. $C_6{H}_{10}$
4. $C_6{H}_{16}$

Q. Identify the unsaturated hydrocarbons.

1. Methane
2. Pentene
3. Octane
4. Propyne
5. Ethene
6. Heptane
7. Butene
8. Hexyne