1.

Normal water is mainly protium oxide, H_(2)O However, if protium atoms in normal water molecule are replaced completely by deuterium atoms, the resulting water is called heavy water. The ionization constant of protum water (H_(2)O hArr H^(+)+OH) is 1xx10^(-14) and that in heavy water (D_(2)O hArr OD^(-)) is 3xx10^(-15) is 3xx10^(-15) H_(2)O dissociates about

Answer»

THREE TIMES as MUCH as `D_(2)O` does
thirty times as much as `D_(2)O` does
`0.3` times as much as `D_(2)O` does
300 times as much as `D_(2)O` does

Solution :`((K_(W))_(H_(2)O))/((K_(w))_(D_(2)O))=(1xx10^(-14))/(3xx10^(-15))=(10)/(36)=3.333`


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