Higher Chemistry Unit 2 Section 2 Hydrocarbons Multiple Choice Questions This is designed to be used by teachers to help students develop skills in answering

Higher Chemistry

Unit 2Section 2 HydrocarbonsMultiple Choice Questions

This is designed to be used by teachers to help students develop skills in answering multiple choice questions.

Higher ChemistryUnit 2 - Section 2 HydrocarbonsMultiple Choice Questions

Answer

1. The general formula for the alkanes is

A. CnH2n

B. CnH2n+2

C. CnH2n-2

D. CnHn


2. The general formula for the alkenes is

A. CnH2n

B. CnH2n+2

C. CnH2n-2

D. CnHn

Answer


3. The general formula for the alkynes is

A. CnH2n

B. CnH2n+2

C. CnH2n-2

D. CnHn

Answer


4. Which statement about benzene is correct?

A. Benzene is an isomer of cyclohexane

B. Benzene reacts with bromine solution as if it is unsaturated

C. The ratio of carbon to hydrogen atoms in benzene is the same as in ethyne

D. Benzene undergoes addition reactions more readily than hexene

Answer


5. The process of catalytic cracking involves using

A. an aluminium catalyst to produce smaller hydrocarbonsB. an aluminium catalyst to produce larger hydrocarbonsC. an aluminium oxide catalyst to produce smaller hydrocarbonsD. an aluminium oxide catalyst to produce

larger hydrocarbons

Answer


6. How many isomers are there of pentane?

A. 1B. 2C. 3D. 4

Answer


7. How many other unsaturated isomers are there of pent-1-ene?

A. 1B. 2C. 3D. 4

Answer


8. How many cyclic isomers are there of pentene?

A. 1B. 2C. 3D. 4

Answer


9. Which hydrocarbon has a molecular formula different from that of the other three?

A. 2,2-dimethyl, 3, 3-dimethylbutaneB. 3-ethylpentaneC. 2,3-dimethylpentaneD. 2,3-dimethyl,3-methylbutane

Answer


10. Which hydrocarbon has the same formula mass as

3,3-dimethylbut-1-ene?

A. CH3C(CH3)2CH2CH3

B. CH2C(CH3)CH2CH3

C. CH2C(CH3)CH2CH2CH3

D. CH3CH(CH3)CH(CH3)2

Answer


Answer

1. The general formula for the alkanes is

A. CnH2n

B. CnH2n+2

C. CnH2n-2

D. CnHn

B.


2. The general formula for the alkenes is

A. CnH2n

B. CnH2n+2

C. CnH2n-2

D. CnHn

Answer A.


3. The general formula for the alkynes is

A. CnH2n

B. CnH2n+2

C. CnH2n-2

D. CnHn

Answer C.


4. Which statement about benzene is correct?

A. Benzene is an isomer of cyclohexane

B. Benzene reacts with bromine solution as if it is unsaturated

C. The ratio of carbon to hydrogen atoms in benzene is the same as in ethyne

D. Benzene undergoes addition reactions more readily than hexene

Answer C.


5. The process of catalytic cracking involves using

A. an aluminium catalyst to produce smaller hydrocarbonsB. an aluminium catalyst to produce larger hydrocarbonsC. an aluminium oxide catalyst to produce smaller hydrocarbonsD. an aluminium oxide catalyst to produce

larger hydrocarbons

Answer C.


6. How many isomers are there of pentane?

A. 1B. 2C. 3D. 4

Answer C.


7. How many other unsaturated isomers are there of pent-1-ene?

A. 1B. 2C. 3D. 4

Answer D.


8. How many cyclic isomers are there of pentene?

A. 1B. 2C. 3D. 4

Answer D.


9. Which hydrocarbon has a molecular formula different from that of the other three?

A. 2,2-dimethyl, 3, 3-dimethylbutaneB. 3-ethylpentaneC. 2,3-dimethylpentaneD. 2,3-dimethyl,3-methylbutane

Answer A.


10. Which hydrocarbon has the same formula mass as

3,3-dimethylbut-1-ene?

A. CH3C(CH3)2CH2CH3

B. CH2C(CH3)CH2CH3

C. CH2C(CH3)CH2CH2CH3

D. CH3CH(CH3)CH(CH3)2

Answer C.

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Higher Chemistry Unit 2 Section 2 Hydrocarbons Multiple Choice Questions This is designed to be used by teachers to help students develop skills in answering