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pH of Salts

The salt whic...

Question

The salt which will give a neutral solution on dissolving in water will be:
(a) CH₃COONa
(b) NH₄Cl
(c) KCl
(d) Na₂CO₃

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Solution

(c) KCl

KCl is formed from a strong acid, hydrochloric acid (HCl), and a strong base, potassium hydroxide (KOH). On dissolving in water, KCl hydrolyses to form equal amounts of H⁺ and OH^- ions. This is why an aqueous solution of KCl is neutral with a pH of almost 7.

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The salt which will give an acidic solution on dissolving in water is :

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(d) $C H_{3} C O O N a$

Q. A salt is dissolved in water and the pH of this salt solution is measured with a universal indicator paper. If the pH of solution is less than 7, the salt is most likely to be:
(a) CH₃COONa
(b) Na₂CO₃
(c) KCl
(d) NH₄Cl

Q. The salt which will give an acidic solution on dissolving in water is:

Q. Which one of the following salts on dissolution in water will give a solution of pH less than 7 at 298 K?

Q. Which of the following will give a neutral pH solution when dissolved in water?

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