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Which of the following statements are co...

Which of the following statements are correct?

A

Aniline and nitrobenzene don't undergo Fridel-Crafts alkylation .

B

1,3-cyclo pentadiene is a stronger acid than 1,3,5 cyclo heptatriene

C

D

O/P ratio is greater in fluoro benzene than in iodobenzene during nitration

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
a) Nitrogroup deactivates the ring where as aniline receives `AICI_3` and then deactivates
b) Conjugat base of cyclo-1,3-pentadiene is aromatic and stable, that of the other is anti aromatic and less stable

d is not correct. It is less in fluoro benzene
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