Which of the following salt gives neutral solution?
Correct answer: D. All of the above
- A. NaCl
- B. NaNO₃
- C. KI
- D. All of the above
Explanation
The correct answer is All of the above. Each of the salts listed (NaCl, NaNO₃, KI) is a product of the neutralization of a strong acid and a strong base. As a result, they dissociate completely in water to form ions that do not affect the pH, thereby resulting in neutral solutions.NaCl is formed from HCl and NaOH, NaNO₃ from HNO₃ and NaOH, and KI from HI and KOH. All of these combinations involve strong acids and bases, thus none of these salts will cause a change in pH when dissolved in water, maintaining neutrality.
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About Acids, Bases and Salts
Acid and base behaviour is explained through the Bronsted-Lowry transfer of protons and the Lewis donation or acceptance of electron pairs. The topic includes pH, pOH, ionisation and water equilibrium, plus salt formation and hydrolysis, where a salt solution may become acidic, basic or neutral.
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