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Question

How many π bonds are present in acetophenone.


A
4
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B
16
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C
10
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D
6
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Solution

The correct option is A 4
Single bonds contain 1 σ bond.
Double bonds contain 1 σ and 1 π bond.
From the structure of acetophenone, it has 4 double bonds (3 in the benzene ring and 1 of carbonyl)
So, the total number of π bonds are 4.

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