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The number of sigma (sigma) and pi (pi) ...

The number of sigma `(sigma)` and pi `(pi)` bonds present in 1, 3, 5, 7-octatetraene respectively are 14 and 3 17 and 4 16 and 5 15 and 4

A

14 and 3

B

17 and 4

C

16 and 5

D

15 and 4

Text Solution

Verified by Experts

The correct Answer is:
B
The structure of 1, 3, 5, 7-octatetraene is as
`H_(2)overset(8)C=overset(7)CH-overset(6)CH=overset(5)CH-overset(4)CH=overset(3)CH-Hoverset(2)C=overset(1)CH_(2)`

(`because` Each single bond is a `sigma` bond and a double bond contains one `sigma` and one `pi` bond).
`therefore` The number of `sigma and pi` bonds are respectively 17 and 4.
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