1.

Benzylamine maybe alkylated as shown in the following equation: C_(6)H_(5)CH_(2)NH_(2)+R-XtoC_(6)H_(5)CH_(2)NHR Which of the following alkyl halides is best suited for this reaction through S_(N)1 mechanism?

Answer»

`CH_(3)BR`
`C_(6)H_(5)Br`
`C_(6)H_(5)CH_(2)Br`
`C_(2)H_(5)Br`

Solution :Since `C_(6)H_(5)CH_(2)Br` on ionization GIVES a RESONANCE stabilizd bynzyl carboncation `(C_(6)H_(5)CH_(2)^(+))`, therefore, `C_(6)H_(5)CH_(2)Br` is best sutied for `S_(N)1` reaction.


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