Equilibrium Question 422
Question: To obtain a buffer which should be suitable for maintaining a $ pH $ of about $ 4-5, $ we need to have in solution, a mixture of
Options:
A) A strong base + its salt with a weak acid
B) A weak base + its salt with a strong acid
C) A strong acid + its salt with a weak base
D) A weak acid + its salt with a strong base
Show Answer
Answer:
Correct Answer: D
Solution:
A weak acid and its salt with a strong base maintain pH 4 - 5
