Question

The correct order of heat of combustion for following alkadienes is:

• A. B < C < A
• B. C < B < A
• C. A < B < C
• D. A < C < B

Answer 1

The correct option is C A < B < C

Heat of Combustion $\alpha \frac{1}{stability}$
The trans-isomer is more stable than the cis-isomer. More the number of trans forms in a structure, higher the stability.