Equilibrium Question 462

Question: Which of the following is a buffer [MP PMT 1991; BHU 1995]

Options:

A) $ NaOH+CH_3COONa $

B) $ NaOH+Na_2SO_4 $

C) $ 1\times {10^{-4}} $

D) $ NH_4OH+CH_3COONH_4 $

Show Answer

Answer:

Correct Answer: D

Solution:

Buffer is mixture of weak base and its acid salt.



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