1.

Buffering action of a mixture of CH3COOH and CH3COONa is maximum when the ratio of salt to acid is equal to : (A) 1.0 (B) 100.0 (C) 10.0 (D) 0.1

Answer»

Correct option: (A) 1.0

Explanation: 

The buffer action of a buffer mixture is effective in the pH range pKa ± 1. It is maximum when pH = pKa



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