Equilibrium Question 312

Question: Which one of the following is not a buffer solution [AIIMS 2003]

Options:

A) 0.8,M,H2S+0.8,M,KHS

B) 2,M,C6H5NH2+2M,C6H5N+,H3,Br

C) 3,M,H2CO3+3,M,KHCO3

D) 0.05,M,KClO4+0.05,M,HClO4

Show Answer

Answer:

Correct Answer: D

Solution:

Because HClO4 is a strong acid. While buffer is a mixture of weak acid and their salt.



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