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Which one of the nitrogen atoms in under...

Which one of the nitrogen atoms in `underset("I")(H_(2)N)-underset("II")(NH)-oversetoverset(O)(||)(C)-underset("III")(NH_(2))` is the most nucleophilic?

A

III

B

I

C

II

D

All three nitrogen atoms

Text Solution

Verified by Experts

The correct Answer is:
B

The `-NH_2` group away from `- overset(O)overset(||)C - ` group is not involved in resonance. Hence, its lone pair is readily available.
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