Rank the following compounds in order of increasing basic strength. (weakest `to` strongest)
A
`4 lt 2 lt 1 lt 3`
B
`4 lt 3 lt 1 lt 2`
C
`4 lt 1 lt 3 lt 2`
D
`2 lt 1 lt 3 lt 4`
Text Solution
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The correct Answer is:
B
(4) `ph-overset(O)overset(||)(C )-NH_(2)` is weak base because of resonance. (3) One to -M of `NO_(2)` and ortho effect it is weak base. (2) Strong base lone pair is not involved in resonance.
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