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 Multiple Choice QuestionsShort Answer Type

61. What happens when chlorobenzene is heated with sodium and chloromethane in ether?
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62.

A hydrocarbon C5H12 gives only one chlorination product. Identify the hydrocarbon.

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63.

Which compound in each of the following pairs will react faster in SN2 reaction with HO?
(a) CH3—Br or CH3I
(b) (CH3)3 Cl or CH3Cl2
(c)  CH2=CHBr or CH2 = CH—CH2Br.

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64. Write the structure of the following compounds halides.
(a) 2-Bromo-2-methyl propane
(b) 2-chloro-2-methyl propane
(c) 2-Bromo-3-methylbutane.

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65. Arrange the following to the increasing order of boiling point
(i)

(ii) CH3CHCH2CH3

(iii) CH3CH2CH2CH2Br

(iv) (CH3)3 C—Cl




   

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66. Predict all the alkenes that would be formed by dihydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:
1-bromo-1 methyl cyclohexane.
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67. Predict all the alkenes that would be formed by dihydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:
2-Chloro-2-methylbutane
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68. Predict all the alkenes that would be formed by dihydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:
2, 2, 3-trimethyl-3-bromopentane.
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69. Predict all the alkenes that would be formed by dihydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:
Cyclo hexyl methyl bromide.


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70. Predict all the alkenes that would be formed by dihydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:
3-bromo-1-ene.
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