Question Detail

CHM 102 Fundamentals of Alkanes: Properties and Preparation Methods Objective Question

Question

What is the boiling point of 2,2-dimethylpropane compared to n-pentane?
Options
A Higher
B Lower
Correct Answer
C Same
D Cannot compare
Correct Answer

Option B is the correct answer.

Detailed Explanation

2,2-dimethylpropane (neopentane) boils at 10°C, much lower than n-pentane's 36°C due to extreme branching.

Hint

More compact molecule, weaker London forces.

Question Info