higher chemistry unit 2 section 2 - hydrocarbons multiple choice questions this is designed to be...

11
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 multiple choice questions. Douglas Racey, Waid Academy, Anstruther, Fife, Scotland

Upload: harold-sims

Post on 27-Dec-2015

214 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: 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.

Douglas Racey, Waid Academy, Anstruther, Fife, Scotland

Page 2: 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 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

B.

Page 3: 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

2. The general formula for the alkenes is

A. CnH2n

B. CnH2n+2

C. CnH2n-2

D. CnHn

Answer A.

Higher Chemistry Unit 2 - Section 2 HydrocarbonsMultiple Choice Questions

Page 4: 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

3. The general formula for the alkynes is

A. CnH2n

B. CnH2n+2

C. CnH2n-2

D. CnHn

Answer C.

Higher Chemistry Unit 2 - Section 2 HydrocarbonsMultiple Choice Questions

Page 5: 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

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.

Higher Chemistry Unit 2 - Section 2 HydrocarbonsMultiple Choice Questions

Page 6: 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

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.

Higher Chemistry Unit 2 - Section 2 HydrocarbonsMultiple Choice Questions

Page 7: 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

6. How many isomers are there of pentane?

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

Answer C.

Higher Chemistry Unit 2 - Section 2 HydrocarbonsMultiple Choice Questions

Page 8: 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

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

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

Answer D.

Higher Chemistry Unit 2 - Section 2 HydrocarbonsMultiple Choice Questions

Page 9: 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

8. How many cyclic isomers are there of pentene?

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

Answer D.

Higher Chemistry Unit 2 - Section 2 HydrocarbonsMultiple Choice Questions

Page 10: 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

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

A. 2,2,3,3-tetramethylbutaneB. 3-ethylpentaneC. 2,3-dimethylpentaneD. 2,2,3-trimethylbutane

Answer A.

Higher Chemistry Unit 2 - Section 2 HydrocarbonsMultiple Choice Questions

Page 11: 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

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.

Higher Chemistry Unit 2 - Section 2 HydrocarbonsMultiple Choice Questions