In the series ethane, ethylene and acetylene, the ${\rm{C}} - {\rm{H}}$ bond energy is:

The same in all the three compounds

Back to CHEMICAL BONDING & MOLECULAR STRUCTURE

NEET UG CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

1 Medium

1 of 1

Understanding +4 | -1

In the series ethane, ethylene and acetylene, the

\mathrm{C} - \mathrm{H}

bond energy is:

View answer and explanation

Correct option: D

Greatest in acetylene

Option D (Greatest in acetylene) is correct because the percentage of s-character is highest in acetylene (50%), leading to a stronger and shorter C-H bond, and thus higher bond energy.

NEET UG CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

More Questions from CHEMICAL BONDING & MOLECULAR STRUCTURE