Question

How many c-h bonds are present in a molecule of 2 butene?

Answer 1

2-Butene is
CH3-CH=CH-CH3
Here, 3 + 1 + 1 + 3 = 8 single covalent bonds are present between carbon and hydrogen.

Thanks.

Answer 2

formula of butane is CH-CH3=CH-CH3
THERE ARE 8 COVELENT BONDS PRESENT