Q. The $C - H$ bond distance is longest in

A) $C_{2}H_{2}$
B) $C_{2}H_{4}$
C) $C_{2}H_{6}$
D) $C_{2}H_{2}Br_{2}$
Explanation

(c)
Order of bond length
$\sigma$ bond $\left( sp^{3} \right) > \sigma$ bond $\left( sp^{2} \right) > \sigma$ bond $(sp)$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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