Generally in aqueous solutions of weak p...

Generally in aqueous solutions of weak polyacidic bases ,`OH^(-)` ions produced from `2^(nd)` ionsiation are negligible because of

`K_(b_(2))ltltK_(b_(1))`

Common ion effect exerted by `OH^(-)` ions produced from `1^(st)` ionisation.

Both (A) and (B)

None of these

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