Hydrocarbons - Result Question 20
####21. The total number of $\pi$-bond electrons in the following structure is :
[2015]
(a) 8
(b) 12
(c) 16
(d) 4
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Solution:
- (a) No. of double bonds $=4$
No. of $\pi$ bond electrons
$=2 \times$ no. of double bond
$=2 \times 4=8$