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Question

Arrange the following compounds in increasing order of boiling points.
I: 3-methyl pentane II: 3-chloropentane
III: 3-bromopentane IV: 3,3-dichloropentane

A
I<III<II<IV
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B
I<IV<III<II
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C
I<II<III<IV
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D
I<III<IV<II
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Solution

The correct option is C I<II<III<IV
The increasing order of the boiling points is I (3-methyl pentane) < II (3-chloropentane) < III (3-bromopentane)
<IV(3,3-dichloropentane). Higher is the molecular weight, higher will be the boiling point.

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