Question Detail

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

Question

Which of the following alkynes is also known as dimethylacetylene?
Options
A 1-Butyne
B 2-Butyne
Correct Answer
C Propyne
D Ethyne
Correct Answer

Option B is the correct answer.

Detailed Explanation

2-Butyne (CH3C≡CCH3) is commonly called dimethylacetylene because it has two methyl groups attached to the triple bond.

Hint

Two methyl groups on the triple bond.

Question Info