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________________?

A. H2O > C2H5OH > CS2
B. CS2 > C2H5OH > H2O
C. H2O > CS2 > C2H5OH
D. CS2 > H2O > C2H5OH

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