In this type of questions, a statement of assertion ( 
) is followed by a statement of reason ( 
). Mark the correct choice as:
Assertion: A buffer solution has a capacity to resist the change in pH value on addition of small amount of acid or base to it.
Reason: pH value of buffer solution does not change on dilution or on keeping for long.
Text Solution
Verified by ExpertsB
If a strong acid is added, the 
ions are neutralised by the base. If a strong base is added, the 
ions are neutralised by cations forming very slightly dissociated base. Thus, the pH of buffer is reserved.
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