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Question

Amongst the following weakly activating group is:

A
NH2
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B
NR2
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C
C6H5
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D
NHCOCH3
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Solution

The correct option is C C6H5
All nitrogen containing groups exert a destabilizing effect due to high electronegativity and a lone pair of electrons which stabilizes the effect and makes them activating group while aryl group is a weakly activating group.

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