Question Detail

CHM 102 Practice Questions Objective Question

Question

Which compound is not an isomer of the other three?
Options
A n-Pentane
B 2,2-Dimethylpropane
C 2-Methylbutane
D 2,3-Dimethylbutane
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

n-Pentane, 2,2-dimethylpropane, and 2-methylbutane all have the molecular formula C5H12. 2,3-Dimethylbutane has the formula C6H14, so it is not an isomer of the other three.

Hint

Compare the molecular formulas of each compound.

Question Info