Which of the following salts gives a neutral solution?
Correct answer: D. All of the above
- A. NaCl
- B. NaNO₃
- C. KI
- D. All of the above
Explanation
All three salts listed (NaCl, NaNO₃, KI) are formed from the reaction of a strong acid and a strong base. The ions of these salts do not hydrolyze water, so their aqueous solutions are neutral.
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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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