The heats of vaporization of H2 O, C2 H5...

The heats of vaporization of `H_2 O, C_2 H_5 OH "and" CS_2 "are 40.6 kJ" mol^-1, 38.6 kJ mol^-1 "and" 26.8 kJ mol^-1` respectively. The strength of intermolecular forces in these liquids is in the order of __________.

A

`H_2 O gt C_2 H_5 OH gt CS_2`

B

`CS_2gtC_2H_5OHgtH_2O`

C

`H_2OgtCS_2gtC_2H_5OH`

D

`CS_2gtH_2OgtC_2H_5OH`

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The correct Answer is:

A

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