See image — AITS & Test Series Chemistry Question
Question
See image
Answer: A
💡 Solution & Explanation
(P) (2), (Q) (1), (R) (5), (S) (3) HCN is a weak acid so maximum pH at end point, CH3COOH is a stronger acid than HCN, Strong base is CN-, 4 10 b K , weak base is - -10 3 b CH COO as it's K =5×10
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