Dienes are of three types. Cumulated, conjugated and isolated diene. A,B and C are three isomeric pentadienes. They differ in their energies which is plotted with their product of hydrogenation.
Study the graph and answer the following questions.
Which one of the following is having two `pi` bonds on the same carbon.
A. A
B. B
C. C
D. none of these
