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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
11 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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