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The heats of vaporisation of CS 2 , C 2 H 5 OH &H 2 O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is

 


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

Grade:Upto college level

1 Answers

Yogita Bang
39 Points
8 years ago

The molecules(compounds) with greater intermolecular forces have greater heat of vapourisation, since more energy is required to overcome the intermolecular forces.

So, the answer is H2O>C2H5OH>CS2

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