Chemistry Ionic Equilibrium Common Ion Effect, Isohydric Solutions, Solubility Product, Ionic Product of Water and Salt Hydrolysis Single Correct MCQ
Published on: August 14, 2026

Upon titrating a solution of weak monoprotic acid with a weak monoacidic base solution, at equivalence point :

A
pH in general would increase if both solutions are first diluted to 10 times the original volume & then titration is carried out.
B
pH in general would decrease if both solutions are first diluted to 10 times the original volume & then titration is carried out.
C
pH in general would remain same (= 7) if both solutions are first diluted to 10 times the original volume & then titration is carried out.
D
pH in general could be less than, greater than or equal to 7 if both solutions are first diluted to 10 times the original volume & then titration is carried out.

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Verified by Experts
The correct answer is:
D

Salt of WA-WB formed at equivalence point has pH independent of concentration and depends on pK a and pK b of WA and WB respectively

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