Which of the following statements is falsc? (1) Hydrolysis...

Which of the following statements is falsc? (1) Hydrolysis of the salt of strong acid and weak base is called cationic hydrolysis (2) Hydrolysis of the salt of weak acid and strong base is known as anionic hydrolysis (3) Aqueous solution of aluminium chloride is acidic due to hydrolysis of $\mathrm{Al}^{3}$ ion (4) Aqueous solution of sodium carbonate is basic due to hydrolysis of $\mathrm{Na}$ ion

Which of the following statements is falsc?
(1) Hydrolysis of the salt of strong acid and weak base is called cationic hydrolysis
(2) Hydrolysis of the salt of weak acid and strong base is known as anionic hydrolysis
(3) Aqueous solution of aluminium chloride is acidic due to hydrolysis of $\mathrm{Al}^{3}$ ion
(4) Aqueous solution of sodium carbonate is basic due to hydrolysis of $\mathrm{Na}$ ion

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Key Concepts

Salt Hydrolysis

Salt hydrolysis is the chemical process in which ions from a dissolved salt react with water to produce an acidic or basic solution. It depends on whether the salt originates from a strong acid and weak base or from a weak acid and strong base, leading to different types of hydrolysis reactions that alter the pH of the solution.

Cationic Hydrolysis

Cationic hydrolysis occurs when the cation, usually the conjugate acid of a weak base, reacts with water to release hydrogen ions, thereby making the solution acidic. This is typical for salts formed from a strong acid and a weak base.

Anionic Hydrolysis

Anionic hydrolysis is the process where the anion, commonly the conjugate base of a weak acid, reacts with water to produce hydroxide ions, which renders the solution basic. This reaction is characteristic of salts formed from a weak acid and a strong base.

Metal Ion Hydrolysis

Metal ion hydrolysis involves the reaction of metal ions, particularly small and highly charged ones, with water. This interaction can lead to the formation of acidic solutions due to the release of protons, demonstrating how certain metal salts influence pH through their hydrolysis behavior.

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