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Which of the following group (s) is/are ...

Which of the following group (s) is/are `o-` and p-directing ?

A

`- CN`

B

`- SO_3 H`

C

`- NH_2`

D

`-O- overset(O)overset(||)(C)-R`

Text Solution

Verified by Experts

The correct Answer is:
C, D
(c,d) Here, `-ddot N H_2` and `ddot underset(..)O-overset(O)overset(||)(C)-R` have `L P overline e^, s` which can be donated to benzene ring and activate it at `o-` and p-position and thus and `o-` and p-directing.
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