How Many $\sigma$ - And $\pi$ -Bonds,respectively,are There in Acrolein,CH₂=CHCHO?
A)4 and 2
B)7 and 2

How many $\sigma$ - and $\pi$ -bonds,respectively,are there in acrolein,CH₂=CHCHO?

A) 4 and 2
B) 7 and 2
C) 5 and 2
D) 5 and 4
E) 7 and 1