Equilibrium Question 438

Question: In a solution of acetic acid, sodium acetate is added, then its pH value [NCERT 1977; DPMT 1985; MP PMT 1994]

Options:

A) Decreases

B) Increases

C) Remains unchanged

D) A and B both are correct

Show Answer

Answer:

Correct Answer: B

Solution:

Solution of $ CH_3COONa $ on addition to acid shows a decrease in dissociation of acid due to common ion effect. To decrease in $ [{H^{+}}] $ or increase pH.



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