MHT CET · Chemistry · Ionic Equilibrium
Which salt from following forms aqueous solution having \(\mathrm{pH}\) less than 7 ?
- A \(CH_3COONa\)
- B \(Na_2SO_4\)
- C \(CuSO_4\)
- D \(Na_2CO_3\)
Answer & Solution
Correct Answer
(C) \(CuSO_4\)
Step-by-step Solution
Detailed explanation
A salt of strong acid and weak base forms aqueous solution having \(\mathrm{pH}\) less than 7 (that is, it forms an acidic solution). \(\mathrm{CuSO}_4\) is salt of strong acid \(\mathrm{H}_2 \mathrm{SO}_4\) and weak base \(\mathrm{Cu}(\mathrm{OH})_2\).
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