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An incorrect statement with respect to S...

An incorrect statement with respect to `S_(N) 1` and `S_(N)2` mechanisms for alkyl halide is

A

a strong nucleophile in an aprotic solvent increases the rate or favours `S_(N)2` reaction

B

competing reaction for an `S_(N)2` reaction is rearrangement

C

`S_(N)1` reactions can be catalysed by some Lewis acids

D

a weak nucleophile and a protic solvent increases the rate or favours `S_(N)1` reaction.

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The correct Answer is:
B
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