61.What happens when chlorobenzene is heated with sodium and chloromethane in ether?
Wurtz- fittig reaction: when chloro benzene treated with sodium and chloromethane in dry ether, it gives toluene as main product.
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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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