Which among the following salt solution in water shows $\mathrm{pH}$ greater than 7 ?

Which among the following salt solution in water shows $\mathrm{pH}$ greater than 7 ?
  1. Sodium acetate
  2. Sodium sulphate
  3. Copper sulphate
  4. Ammonium chloride

Solution

Sodium acetate $\rightarrow$ Salt of WA $+\mathrm{SB}$ (Basic) Sodium sulphate $\rightarrow$ Salt of SA + SB (Neutral) Copper sulphate $\rightarrow$ Salt of SA + WB (Acidic) Ammonium chloride $\rightarrow$ Salt of SA + WB (Acidic)

Asked in: MHT CET 2021 (21 Sep Shift 2)

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