Propyne molecule contains

Options

A. 6 sigma and 2 pi bonds
B. 5 sigma bonds
C. 5 pi bonds and 1 sigma bond
D. 2 sigma and 3 pi bonds .

Answer

A

Explanation

`H - C-= C - underset(H)underset(|) overset(H) overset(|) (C) - H`,
No. of sigma bonds = 6, No. of pi bonds = 2 .