Question

Question #9b926

Answer 1

There two isomeric pentenes and six isomeric hexadienes.

Explanation:

We must draw the double bonds in all possible locations.

Pentenes

There are two structural isomers of pentene.

Hexadienes

(a) With non-cumulated double bonds

(b) With cumulated double bonds

There are six structural isomers of hexadiene.