Question
Question: The buffer capacity of a given acid buffer solution is 100. To the solution if 0.5 moles of alkali i...
The buffer capacity of a given acid buffer solution is 100. To the solution if 0.5 moles of alkali is added, then
A
pH increases by 5 unit
B
pH increases by 0.5 unit
C
pH increases by 50 unit
D
pH increases by 5 × 10–3 unit
Answer
pH increases by 5 × 10–3 unit
Explanation
Solution
Buffer capacity = b = 
= 100
\ d (pH) = 1000.5 = 5 × 10–3 unit