The concentration of `[H^(+)]` and concentration of `[OH^(-)]` of a `0.1` aqueous solution of `2%` ionised weak acid is [Ionic product of water `=1xx10^(-14)`]A. `0.02xx10^(-3)M` and `5xx10^(-11)M`B. `1xx10^(-3)M` and `3xx10^(-11)M`C. `2xx10^(-3)M` and `5xx10^(-12)M`D. `3xx10^(-2)M` and `4xx10^(-13)M`

The concentration of `[H^(+)]` and concentration of `[OH^(-)]` of a `0

1.	The concentration of `[H^(+)]` and concentration of `[OH^(-)]` of a `0.1` aqueous solution of `2%` ionised weak acid is [Ionic product of water `=1xx10^(-14)`]A. `0.02xx10^(-3)M` and `5xx10^(-11)M`B. `1xx10^(-3)M` and `3xx10^(-11)M`C. `2xx10^(-3)M` and `5xx10^(-12)M`D. `3xx10^(-2)M` and `4xx10^(-13)M`
Answer» Correct Answer - C `[H^(+)]` in monobasic acid = molarity `xx` degree of ionisation `=0.1xx(2)/(100)=2xx10^(-3)M` ionisation constant of water `K_(w)=(H^(+))(OH^(-))` `[OH^(-)]=(K_(w))/([H^(+)])=(1xx10^(-14))/(2xx10^(-3))=5xx10^(-12)M`

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