Question

# Reaction of C6H5CH2Br with aqueous sodium hydroxide follows ........ (a) SN1 mechanism (b)  SN2 mechanism (c) Any of the above two depending upon the temperature of reaction (d) Saytzeff rule

Solution

## Answer: (a). SN1 mechanism depends upon the stability of carbocation. Higher the stability of carbocation, higher will be the possibility of SN1  mechanism to take place. In the given compound, C6H5CH2Br carbocation is C6H5⊕CH2. This carbocation C6H5⊕CH2 is a stable carbocation due to resonance, therefore its show  SN1  mechanism.

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