The decreasing order of boiling points of the following compounds is

(I) > (II) > (III) > (IV)

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(IV) > (III) > (II) > (I)

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(III) > (IV) > (I) > (II)

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(IV) > (III) > (II) < (I)

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Solution

The correct option is C (III) > (IV) > (I) > (II)
The decreasing order of boiling points of the following compounds is (III) > (IV) > (I) > (II).
As the molecular weight of alkanes decreases, the boiling point decreases.
The boiling point of alkanes is lower than the boiling point of corresponding cycloalkanes.

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