Which of the following aqueous solutions of salts will have highest $\mathrm{pH}$ value?

Which of the following aqueous solutions of salts will have highest $\mathrm{pH}$ value?
  1. $\mathrm{NaCl}$
  2. $\mathrm{CH}_3 \mathrm{COONH}_4$
  3. $\mathrm{Na}_2 \mathrm{CO}_3$
  4. $\mathrm{NH}_4 \mathrm{Cl}$

Solution

$\mathrm{Na}_2 \mathrm{CO}_3$ (WASB) salt have $\mathrm{pH}>7$

Asked in: MHT CET 2022 (10 Aug Shift 2)

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