question_answer

The number of \[\sigma \] and \[\pi \] bonds present in 1-butene-3-yne is

A)  7 and 3                

B)  5 and 5

C)  7 and 2                                

D)  6 and 4

Correct Answer: A

Solution :

                  Hence, total \[7\sigma \] and \[3\pi -\]bonds are present in l-butene-3-yne.