Cyclic Compounds

Q. The number of double bonds present in benzene is .

1. 2
2. 3
3. 4
4. 6

Q.

What is the name given to the structural formula:

1. Cyclo Pentane
2. Cyclo Butene
3. Cyclo Butane
4. Cyclo Pentene

Q. Identify the saturated hydrocarbon from the compounds given below.

1. $C_5{H}_{12}$
2. $C_4{H}_8$
3. $C_5{H}_{10}$
4. $C_3{H}_4$

Q. Which of the following is the molecular formula for cyclopentene?

1. $C_5{H}_{12}$
2. $C_5{H}_{10}$
3. $C_5{H}_8$
4. $C_5{H}_6$

Q.

Which of the following is the structure of $C_6{H}_{12}$?

1. 

2. 

3. 

4. None of these

Q. Question 6
What is a homologous series? Explain with an example.

Q. Assertion (A): Propyne and ethene are unsaturated hydrocarbons.
Reason (R): The valencies of at least two carbons in both compounds are satisfied by hydrogen atoms.

1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. (A) is true but (R) is false.
3. Both (A) and (R) are true and but (R) is not the correct explanation of (A).
4. (A) is false but (R) is true.

Q.

Cyclohexane and Benzene are

1. metamers

2. cyclic

3. isomers

4. polymers

Q.

Alkanes are acyclic saturated hydrocarbons.

1. True

2. False

Q. In a cyclic compound, one or more series of atoms are connected to each other to form a ring.

1. True
2. False

Q.

Which of the following compounds have a ring carbon structure?

1. Ethane

2. Ethene

3. Ethyne

4. Cyclobutane

Q. Octyne has the same number of hydrogen atoms as that of __________.

1. heptene
2. hexene
3. pentene
4. butene

Q. Explain the term - ${}^{\prime }Hydrocarbon{s}^{\prime }$.

Q. Which among the following has a cyclic structure made up of carbon skeletal?

1. Ethene
2. Benzene
3. Ethane
4. Ethyne

Q.

Benzene is the structure formed by 6 carbon atom ring with ___.

1. 1 Double Bond

2. 2 Double Bond

3. 3 Double Bond

4. 4 Double Bond