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How many pi electrons are present in the...

How many `pi` electrons are present in the cyclopentadienyl anion `C_(5)H_(5)^(-)`?

A

4

B

3

C

6

D

2

Text Solution

Verified by Experts

The correct Answer is:
C

The two electrons of the lone pair are present in the p atomic orbital and each of the doubly bonded C's has a p atomic orbital Therefore all of them can overlap simultaneously to give six deloxalized `pi` electrons:
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