Question

What is the total number of sigma and pi bonds in the following molecules?
(a) $C_{2}H_{2}$
(b) $C_{2}H_{4}$

Answer 1

(a)
$(a) \: 3 \: sigma \: and \: 2 \: \pi \: bond \\ (b)5 \: sigma \: and1 \: \pi \: bond$