Hydrolysis of Salts
Chemistry ⇒ Acids, Bases, and Salts
Hydrolysis of Salts starts at 10 and continues till grade 12.
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A solution of FeCl₃ is found to be acidic. Explain why.
Describe the process of hydrolysis for the salt ammonium acetate (CH₃COONH₄).
Explain the difference between the hydrolysis of a salt of a weak acid and strong base and that of a weak base and strong acid.
Explain the effect of dilution on the degree of hydrolysis of a salt of a weak acid and strong base.
Explain why the aqueous solution of ammonium chloride (NH₄Cl) is acidic.
Explain why the pH of a solution of ammonium acetate (CH₃COONH₄) depends on the relative values of Ka and Kb.
A 0.05 M solution of ammonium chloride (NH₄Cl) has a pH of 5.13. Is the solution acidic, basic, or neutral?
A solution contains 0.2 M sodium carbonate (Na₂CO₃). Will the solution be acidic, basic, or neutral?
Which of the following is true about the hydrolysis of salts?
(1) Only cations hydrolyze
(2) Only anions hydrolyze
(3) Both cations and anions can hydrolyze
(4) Neither cations nor anions hydrolyze
Which of the following pairs will result in a salt that hydrolyzes to give a basic solution?
(1) HCl and NaOH
(2) HCl and NH₄OH
(3) CH₃COOH and NaOH
(4) CH₃COOH and NH₄OH
Which of the following salts is formed from a weak acid and a weak base?
(1) NaCl
(2) NH₄Cl
(3) CH₃COONH₄
(4) KNO₃
Which of the following salts will hydrolyze to give a solution with pH less than 7?
(1) KCl
(2) NH₄NO₃
(3) Na₂SO₄
(4) NaCH₃COO
Fill in the blank: The degree of hydrolysis of a salt of a weak acid and strong base is _______ proportional to the square root of the dilution.
Fill in the blank: The hydrolysis constant (Kh) for a salt of a weak acid and strong base is given by Kh = _______.
Fill in the blank: The hydrolysis constant (Kh) for a salt of a weak acid and weak base is given by Kh = _______.
Fill in the blank: The hydrolysis constant (Kh) for a salt of a weak base and strong acid is given by Kh = _______.
State whether the following statement is true or false: Salts of weak acids and weak bases always produce neutral solutions upon hydrolysis.
State whether the following statement is true or false: The hydrolysis of sodium carbonate (Na₂CO₃) results in a basic solution.
True or False: The cation of a salt derived from a strong base does not hydrolyze in water.
True or False: The hydrolysis constant of a salt depends on the concentration of the salt.
