Which one of the following salt will not be hydrolyzed?
Correct answer: A. NaCl
- A. NaCl
- B. AlCl₃
- C. Na₂CO₃
- D. CH₃COONa
Explanation
NaCl does not undergo hydrolysis because it is a salt formed from the neutralization of a strong acid (HCl) and a strong base (NaOH). These salts do not influence the pH of the solution, as neither ion is reactive with water. On the other hand, AlCl₃ undergoes hydrolysis because it is derived from Al(OH)₃, a weak base, and HCl, a strong acid. Na₂CO₃ undergoes hydrolysis because it is formed from NaOH, a strong base, and H₂CO₃, a weak acid. CH₃COONa also undergoes hydrolysis as it is formed from a weak acid (CH₃COOH) and a strong base (NaOH).
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