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State (Phase) of Alkanes

B.P. of branc...

Question

B.P. of branched chain alkanes as compared to straight chain alkanes are

A

lower

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B

equal

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C

higher

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D

independent of the chain

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Solution

The correct option is C lower
As the number of branches increases, surface area decreases, due to which Van der Waal forces of attraction decreases. Hence, the boiling point also decreases.

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