Equilibrium Question 427

Question: Which of the following mixtures forms an acid buffer [MP PMT 1993; IIT 1981; CPMT 1989; CBSE PMT 1989]

Options:

A) $ NaOH+HCl $

B) $ CH_3COOH+CH_3COONa $

C) $ NH_4OH+NH_4Cl $

D) $ H_2CO_3+{{(NH_4)}_2}CO_3 $

Show Answer

Answer:

Correct Answer: B

Solution:

An acid buffer solution consists of a weak acid and its salt with strong base. i.e. $ CH_3COOH+CH_3COONa $



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