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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.

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Presentation on theme: "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."— Presentation transcript:

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 multiple choice questions.

2 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions Answer 1.The general formula for the alkanes is A. C n H 2n B. C n H 2n+2 C. C n H 2n-2 D. C n H n

3 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 2.The general formula for the alkenes is A. C n H 2n B. C n H 2n+2 C. C n H 2n-2 D. C n H n Answer

4 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 3.The general formula for the alkynes is A. C n H 2n B. C n H 2n+2 C. C n H 2n-2 D. C n H n Answer

5 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 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

6 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 5.The process of catalytic cracking involves using A.an aluminium catalyst to produce smaller hydrocarbons B.an aluminium catalyst to produce larger hydrocarbons C.an aluminium oxide catalyst to produce smaller hydrocarbons D. an aluminium oxide catalyst to produce larger hydrocarbons Answer

7 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 6.How many isomers are there of pentane? A. 1 B. 2 C. 3 D. 4 Answer

8 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 7.How many other unsaturated isomers are there of pent-1-ene? A. 1 B. 2 C. 3 D. 4 Answer

9 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 8.How many cyclic isomers are there of pentene? A. 1 B. 2 C. 3 D. 4 Answer

10 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 9.Which hydrocarbon has a molecular formula different from that of the other three? A. 2,2-dimethyl, 3, 3-dimethylbutane B. 3-ethylpentane C. 2,3-dimethylpentane D. 2,3-dimethyl,3-methylbutane Answer

11 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 10.Which hydrocarbon has the same formula mass as 3,3-dimethylbut-1-ene? A. CH 3 C(CH 3 ) 2 CH 2 CH 3 B. CH 2 C(CH 3 )CH 2 CH 3 C. CH 2 C(CH 3 )CH 2 CH 2 CH 3 D. CH 3 CH(CH 3 )CH(CH 3 ) 2 Answer

12 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions Answer 1.The general formula for the alkanes is A. C n H 2n B. C n H 2n+2 C. C n H 2n-2 D. C n H n B.

13 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 2.The general formula for the alkenes is A. C n H 2n B. C n H 2n+2 C. C n H 2n-2 D. C n H n Answer A.

14 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 3.The general formula for the alkynes is A. C n H 2n B. C n H 2n+2 C. C n H 2n-2 D. C n H n Answer C.

15 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 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.

16 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 5.The process of catalytic cracking involves using A.an aluminium catalyst to produce smaller hydrocarbons B.an aluminium catalyst to produce larger hydrocarbons C.an aluminium oxide catalyst to produce smaller hydrocarbons D. an aluminium oxide catalyst to produce larger hydrocarbons Answer C.

17 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 6.How many isomers are there of pentane? A. 1 B. 2 C. 3 D. 4 Answer C.

18 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 7.How many other unsaturated isomers are there of pent-1-ene? A. 1 B. 2 C. 3 D. 4 Answer D.

19 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 8.How many cyclic isomers are there of pentene? A. 1 B. 2 C. 3 D. 4 Answer D.

20 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 9.Which hydrocarbon has a molecular formula different from that of the other three? A. 2,2-dimethyl, 3, 3-dimethylbutane B. 3-ethylpentane C. 2,3-dimethylpentane D. 2,3-dimethyl,3-methylbutane Answer A.

21 Higher Chemistry Unit 2 - Section 2 Hydrocarbons Multiple Choice Questions 10.Which hydrocarbon has the same formula mass as 3,3-dimethylbut-1-ene? A. CH 3 C(CH 3 ) 2 CH 2 CH 3 B. CH 2 C(CH 3 )CH 2 CH 3 C. CH 2 C(CH 3 )CH 2 CH 2 CH 3 D. CH 3 CH(CH 3 )CH(CH 3 ) 2 Answer C.


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