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Which of the following has the least boi...

Which of the following has the least boiling point ?

A

n-Hexane

B

n-Pentane

C

2-Methyl butane

D

2, 2-Dimethylpropane

Text Solution

Verified by Experts

The correct Answer is:
D
Branching of chain makes the molecule more compact and therefore, decreases the surface area. As a result of decreased surface area, intermolecular attractive forces become less and boilling point also decreases.
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