The correct order of increasing boiling point is

Options

A. n-butane ` lt ` 1-butanol ` lt ` n-butyl chloride ` lt ` isobutene
B. n-butane ` lt` isobutane ` lt ` n-butyl chloride ` lt` 1-butanol
C. isobutane ` lt` n-butyl chloride ` lt` n-butane ` lt ` 1-butanol
D. isobutane ` lt` n-butane ` lt` n-butyl chloride ` lt` 1-butanol

Answer

D

Explanation

For organic compound with same no. of C atoms, order of boiling point is
Branched alkane ` lt ` St. chain alkane ` lt` Alkyl halide ` lt` Alcohol