# Solution: A certain hydrocarbon has a molecular formula of C5H8 . Whic...

###### Question

A certain hydrocarbon has a molecular formula of C5H8 . Which of the following is not a structural possibility for this hydrocarbon?

(a) It is a cycloalkane.

(b) It contains one ring and one double bond.

(c) It contains two double bonds and no rings.

(d) It is an alkyne.