The number of `sigma-and pi` bonds present in pent-4en-1-yne is :

Options

A. 10,3
B. 4,9
C. 3,10
D. 9,4

Answer

A

Explanation

Pent -4-en-1-yne
`overset(1)CH-=overset(2)C-overset(3)CH_(2)-overset(4)CH=overset(5)CH_(2)`
No. of `(sigma) ` bonds-4-(C-C)+6(C-H)=10
No. of `pi` bonds `-1(C=C)+2(C-=C)=3 `