MHT CET Chemistry question

Arrange the following in the decreasing order of their boiling points. A. n-butane B. 2-methylbutane C. n-pentane D. 2,2-dimethylpropane

Answer: (D)

Solution

Boiling point rises with molecular size and, for isomers, falls with branching: n-pentane (36 °C) > 2-methylbutane (28 °C) >

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Question ID VK-044262