The salt which is formed from a weak acid & a weak base is:
Correct answer: C. CH₃COONH₄
- A. KCl
- B. KNO₃
- C. CH₃COONH₄
- D. CH₃COONa
Explanation
Ammonium acetate (CH₃COONH₄) is formed from a weak acid, acetic acid (CH₃COOH), and a weak base, ammonia (NH₃). Both the cation and anion will hydrolyze in water.
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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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