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Melting point, enthalpy of vapourisation and viscosity data of H_{2}O and D_{2}Oare given below:

Property

D_{2}O

H_{2}O

Melting point / K

373.0

374.4

Enthalpy of vapourisation at (373 K)/ kJ mol-1

40.66

41.61

Viscosity/centipoise

0.8903

1.107

 

On the basis of this data explain in which of these liquids intermolecular forces are stronger?

Answers (1)

The given properties such as boiling point, enthalpy of vaporization and viscosity are all dependent on the intermolecular forces of the liquids. Water has a lower intermolecular force of attraction as compared to D_{2}O , and thus the values are lower for water.

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infoexpert24

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