1.

At a given temperature, the first and the second ionisation constants of the acid, H_2A are 1.0xx10^(-5) and 5.0xx10^(-10) respectively. Which of the following comments are true regarding this acid-

Answer»

The CONCENTRATION of `A^(2-)` ions in 0.01(M) aqueous solution of `H_2A` is 0.01(M)
the overall ionisation constant for `H_2A` is `5.0xx10^(-15)`
in 0.01(M) aqueous solution of `H_2A`, the molar concentration of `H_3O^+` ions is twicet that `A^(2-)` ions.
in 0.01(M) aqueous solution of `H_2A,[H_3O^+]~~[Ha^-]`

ANSWER :B::D


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