1.

Which one of the nitrogen atoms in underset(I)(H_(2)N)-underset(II)(NH)-overset(O)overset(||)C-underset(III)(NH_(2))is/are strong nucleophilic centers

Answer»

III
I
II
All three nitrogen atoms are equally strong nucleophilic centers.

Solution :`underset((I))(H_(2)N)-underset((II))(NH)-overset(O)overset(||)C-underset((III))(NH_(2))`
(I) is the most nucleophilic nitrogen because it is fat to CARBONYL group and remaining NITROGENS are nearer to carbonyl group and involve in resource very quickly.


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