NEET 2026 Chemistry question
In a qualitative analysis, is detected by appearance of precipitate of BiO(OH)(s). Calculate pH when the following equilibrium exists at 298 K. BiO(OH)(s) \rightleftharpoons BiO^+(aq) + OH^-(aq), (Given : )
Answer: (4)
Solution
Let the solubility be . Then and (the solid has unit activity). . , so
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