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The heat of vaporisation of H2O , C2H5OH...

The heat of vaporisation of `H_2O , C_2H_5OH and CS_2` are 40.6, 38.6 and 26.8 kJ `mol^(-1)` respectively. The order of decreasing intermolecular forces in these liquids is

A

`H_2O gt C_2H_5OH gt CS_2`

B

`CS_2 gt C_2H_5OH gt H_2O`

C

`H_2O gt CS_2 gt C_2H_5OH`

D

`CS_2 gt H_2O gt C_2H_5OH`

Text Solution

Verified by Experts

The correct Answer is:
A
Greater the heat of vaporisation, greater are the intermolecular forces.
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