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.