An alkyne C-H bond absorbs at higher wave number than an alkene C-H bond.What does this tell you about the strength of these two bonds?
A)The alkene C-H bond is stronger.
B)The alkyne C-H bond is stronger.
C)The alkene C-C bond is stronger.
D)The alkyne C-C bond is stronger.

Question

Quizplus · Accepted Answer

The absorption of a C-H bond occurs at a higher wave number when the bond is stronger. Therefore, since the alkyne C-H bond absorbs at a higher wave number than the alkene C-H bond, it is stronger.

An Alkyne C-H Bond Absorbs at Higher Wave Number Than