A) p-nitrobenzyl bromide
B) p-chlorobenzyl bromide
C) p-methoxybenzyl bromide
D) p-methylbenzyl bromide
Correct Answer: C
Solution :
Due to the presence of electron rich methoxy group (+I) at p-position the polarity increase on C-X bond by which it becomes more reactive towards nucleophillic attack of ethanol, p-nitro and chloro are electron deficient group decrease the polarity of C-X bond. Hence by them it become difficult to react with ethanol due to less polarity. Methyl group is less electron rich than methoxy group.
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