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Question

Choose the correct order of the basic nature of the below given amines.
A. Phenyl methanamine
B. N, N-Dimethylaniline
C. N-Methyl aniline
D. Benzenamine

A
D>B>C>A
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B
D>C>B>A
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C
A>C>B>D
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D
A>B>C>D
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Solution

The correct option is D A>B>C>D
Lone pair of N on compound (A) is localised. So, it is more basic whereas lone pair of N in other compounds are delocalised in the benzene ring so they are less basic.
Comparing B, C and D, B has more basic nature due to the presence of two +I group (Methyl) follwed by (C) which has one +I group. D has least basic nature.

Hence, correct answer is (d).

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