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Question: Answered & Verified by Expert
In a solution of acetic acid, sodium acetate is added, then its $\mathrm{pH}$ value
ChemistryIonic EquilibriumJEE Main
Options:
  • A Decreases
  • B Increases
  • C Remains unchanged
  • D (1) and (2) both are correct
Solution:
2116 Upvotes Verified Answer
The correct answer is: Increases
Solution of $\mathrm{CH}_3 \mathrm{COONa}$ on addition to acid shows a decrease in dissociation of acid due to common ion effect.
To decrease in $\left[H^{+}\right]$ or increase $p H$.

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