The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/k

Question

The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is

Options:

A . H₂O > C₂H₅OH > CS₂

B . CS₂ > C₂H₅OH > H₂O

C . H₂O > CS₂ > C₂H₅OH

D . CS₂ > H₂O > C₂H₅OH

Answer: Option A

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