Q. If enthalpies of methane and ethane are respectively 320 and 360 cal then the bond energy of $C - C$ bond is

A) 80 cal
B) 40 cal
C) 60 cal
D) 120 cal
Explanation

The correct answer is Option B: 40 cal.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.