Question

Identify from the following salts an example of a salt of strong acid and weak base.

• A. Ammonium acetate.
• B. Sodium acetate.
• C. Copper (II) chloride.
• D. Sodium carbonate.

Hint:

Look for a chloride or sulphate of a metal whose hydroxide is weak.

Answer 1

The Correct Option is C

Step 1: Parent pairs
(A) NH4OH + CH3COOH: weak and weak. (B) NaOH + CH3COOH: strong base, weak acid. (D) NaOH + H2CO3: strong base, weak acid. (C) Cu(OH)2 + HCl: weak base, strong acid.

Step 2: Answer
Only (C) fits.

Final Answer:
Copper(II) chloride. \[ \boxed{\text{(C)}\ \text{Copper (II) chloride}} \]