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Rank the following compounds in order of...

Rank the following compounds in order of increasing basic strength. (weakest`to`strongest)

A

`4lt2lt1lt3`

B

`4lt3lt1lt2`

C

`4lt1lt3lt2`

D

`2lt1lt3lt4`

Text Solution

Verified by Experts

The correct Answer is:
B

(4) `Ph-overset(O)overset(||)C-NH_(2)` is weak base because of resonance.
One to -M of `NO_(2)` and ortho effect it is weak base.
3) Strong base lone pair is not involved in resonance.
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