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Solution


Q.

An acidic buffer is prepared by mixing                   [2023]
1 weak acid and its salt with strong base.  
2 equal volumes of equimolar solutions of weak acid and weak base.  
3 strong acid and its salt with strong base.  
4 strong acid and its salt with weak base. (The pKa of acid = pKb of the base)  

Ans.

(1)

Acidic buffer is prepared by mixing weak acid and its salt with a strong base.