1.

The rate of S_N^1 reaction is fastest in the hydrolysis of which of the following halides?

Answer»

`C_(6)H_(5)CH_(2)Br`
`CH_(3)Br`
`(CH_(3))_(2)CHBr`
`(CH_(3))_(2)CBR`

Solution :Because of the formation of most stable carboniumion `C_(6)H_(5)-overset(o+)(C)H_(2)`.


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