Benzene

Q.

Benzene with molecular formula, C₆H₆, has

1. 18 single bonds only

2. 6 single bonds and 6 double bonds

3. 9 single bonds and 3 double bonds

4. 12 double bonds only

Q.

Why are alkynes more acidic than alkanes and alkenes?

Q.

What is the structural formula for propene?

Q.

Write the name and structure of a saturated compound in which the carbon atoms are arranged in a ring. Give the number of single bonds present in this compound.

Q. Why benzene is not called hexene though it has 6 carbon atoms.

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

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

Q.

A cyclic hydrocarbon having carbon-carbon single bonds as well as carbon-carbon double bonds in its molecule is :
(a) $C_6{H}_{12}$ (b) $C_6{H}_{14}$ (c) $C_6{H}_6$ (d) $C_6{H}_{10}$

Q. Methane is the first member of alkane, when it is treated with excess of chlorine in the presence of diffused sunlight forms carbon tetrachloride. Draw the appropriate structural formula of carbon tetrachloride and state the type of bond present in it.

Q. The hydrocarbon which has alternate single and double bonds arranged in the form of a ring is :
(a) cyclobutane (b) benzene (c) butene (d) hexene

Q.

What is the general formula of arenes having one benzene ring only?

Q. Question 16
Structural formula of benzene is
(a)

(b)

(c)

(d)

Q.

Number of C–H bonds in ethane are ___.

1. 4

2. 2

3. 6

4. 3

Q.

Alkynes have a general formula:

1. CnH2n+1

2. CnH2n -2

3. CnH2n

4. CnH2n+2

Q.

How will you identify a hydrocarbon from its name.

Q.

Give the name and structural formula of next homologue of HCOOH.

Q.

Give the name for the following

Unsaturated hydrocarbons

Q. Benzene has alternativev double and single bond but its both length in carbon carbon moleules have same. Why?

Q.

Benzene with molecular formula, C₆H₆, has

1. 6 single bonds and 6 double bonds

2. 9 single bonds and 3 double bonds

3. 18 single bonds only

4. 12 double bonds only

Q.

What are hydrocarbons?

Q.

Benzene with molecular formula, C₆H₆, has

1. 6 single bonds and 6 double bonds

2. 9 single bonds and 3 double bonds

3. 18 single bonds only

4. 12 double bonds only

Q.

Which of the following compounds does not contain a multiple bond?

1. Ethane

2. Ethene

3. Ethyne

4. Benzene

Q.

Structural formula of ethyne is -

1. (2)
2. 1
3. 4
4. 3

Q. The hydrocarbon which has alternate single and double bonds arranged in the form of a ring is:
(a) cyclobutane
(b) benzene
(c) butene
(d) hexene

Q.

The correct structural formula of benzene among the above structures are

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