Which of the following compounds has lowest boiling point ?

n-butyl alcohol

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Isobutyl alcohol

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Tert-butyl alcohol

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Sec-butyl alcohol

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Solution

The correct option is C Tert-butyl alcohol
Tert-butyl alcohol has lowest boiling point.

As the number of carbon same and same molecular formula i.e. same molar mass.

With increase in the degree of branching, the boiling point decreases.

Option C is correct.

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Similar questions

The correct increasing order of boiling points of the following compound is

A. Isopentane B. n - butyl alcohol

C. n - butyl amine D. Diethyl amine

Why does sec butyl alcohol have a lesser boiling point than isobutyl alcohol when both are similarly branched?

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