Question
Question: On diluting a buffer solution, its pH...
On diluting a buffer solution, its pH
A
Is increased
B
Is decreased
C
Remain constant
D
Changes which cannot be predicted unless dissociation constant of weak acid or weak base is provided
Answer
Remain constant
Explanation
Solution
On diluting a buffer solution, the ratio of salt to acid (or base) does not change. Hence its pH remains constant.