Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

In the following compound, 

the favourable site/s for protonation is/are :

  1. A

    (a)

  2. B

    (b), (c) and (d)

  3. C

    (a) and (d)

  4. D

    (a) and (e)

Solution

The lone pair which is participating in resonance and aromaticity will not be a favourable site for protonation.

lone pair of N atom b, c and d is not the part of aromaticity.

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