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MHT CET Medical202624 April 2026Morning ShiftChemistryIonic EquilibriumActual

Which of the following aqueous solutions of salts is neutral?

Options

  1. ANH ₄ NO ₃
  2. BKCN
  3. CKNO ₃
  4. DCuCl ₂

Correct answer

C. KNO ₃

Step-by-step solution

NH ₄ NO ₃ is a salt of a weak base ( NH ₄ OH ) and a strong acid ( HNO ₃ ). Its aqueous solution is acidic. KCN is a salt of a strong base ( KOH ) and a weak acid ( HCN ). Its aqueous solution is basic. KNO ₃ is a salt of a strong base ( KOH ) and a strong acid ( HNO ₃ ). Its aqueous solution is neutral. CuCl ₂ is a salt of a weak base ( Cu(OH) ₂ ) and a strong acid ( HCl ). Its aqueous solution is acidic. Answer: KNO ₃

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