How is heavy water prepared? Compare its physical properties with those of ordinary water.

Answers (1)

Heavy water is prepared by the exhaustive electrolysis of water. 

S.RNo. Property H_{2}O D_{2}O
(i) Molecular mass (g/mol) 18.015 20.027
(ii) Melting point (K) 273.0 276.8
(iii) Boiling point (K) 373.0 374.4
(iv) Density(298)g/cm 1.0000 1.1059
(v) Enthalpy of vaporization(kJ/mol) 40.6 41.61

 

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