Question Detail

CHM 102 Alkynes: Structure, Bonding, and Nomenclature Objective Question

Question

How many equivalents of H₂ are required to fully hydrogenate an alkyne to an alkane?
Options
A 1
B 2
Correct Answer
C 3
D 4
Correct Answer

Option B is the correct answer.

Detailed Explanation

An alkyne has two π bonds and therefore requires two molecules of H₂ for complete saturation to the alkane.

Hint

Each π bond consumes one H₂.

Question Info