The reactionCH(3)I+NH(3)(excess)underset...

The reaction`CH_(3)I+NH_(3)(excess)underset(2.OHbar)overset(1.heat)rarrCH_(3)NH_(2)+HI`
is an example of a

A

unimolecular nucleophilic substitution reaction

B

bimolecular nucleophilic substitution reaction .

C

unimolecular eletrphilic substitution reaction

D

bimolecular electrophilic substitution reaction .

Text Solution

Verified by Experts

The correct Answer is:

B

When an alky1 halide is heated with excess of ammonia it undergoes bimolecular `(S_(N)2)` nucleophilic substitution and the ammonium salt formed initially on basification gives a primary amine
`CH_(3)INH_(3)(excess)overset(heat)rarrCH_(3)overset(+)(NH_(3))Ioverset(OHbar)rarrCH_(3)NH_(2)` .

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