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Which does not follow Markowini rule?...

Which does not follow Markowini rule?

A

`CH_(3)-CH=CH_(2)`

B

`CF_(3)-CH=CH_(2)`

C

`CH_(3)-underset(CH_(3))underset(|)(CH)-CH=CH_(2)`

D

`CH_(3)-CH_(2)-CH=CH_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B

`-NH_(2)` group is electron releasing due to `+R` effect while `NO_(2)` group is electron withdrawin due to `-I and -R ` effects
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