Question

Q. Buffer capacity of a buffer will be maximum when
A \(p H=p K_{a}-1\)
B \(p H=p K_{a}+1\)
(c) \(p H=p K_{a}\)
D \(\mathrm{pH}=\) zero

Answer 1

Solution:
Buffer capacity of a buffer is maximum when the concentration of the weak acid and its salt or weak base and its salt are equal i.e., when \(\mathrm{pH}=\mathrm{pK}_{\mathrm{a}}\) or \(\mathrm{pOH}=\mathrm{pK}_{\mathrm{b}}\).

Answer 2

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Answer 3

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