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The correct increasing order fo basic st...

The correct increasing order fo basic strength for the following compound is:

A

`III lt I lt II`

B

`III lt II lt I`

C

`II lt I lt III`

D

`II lt III lt I`

Text Solution

Verified by Experts

The correct Answer is:
C

In general, electron - donating groups such as `- CH_(3)` increase the basic strength of aniline by decreasing the delocalization of lone pair of electrons on the `N` atom while electron - withdrawing groups such as `NO_(2) ` decrease the basic strength of aniline by increasing the delocalization of lone pair of electrons on the `N` atom. Thus, the correct order of basic strength is : `(II) lt (I) lt (III)`
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