During the titration of a weak diprotic acid `(H_(2)A)` against a strong base `(NaOH)`, the pH of the solution half-way to the first equivalent point and that at the first equivalent point are given respectively by:
During the titration of a weak diprotic acid `(H_(2)A)` against a strong base `(NaOH)`, the pH of the solution half-way to the first equivalent point and that at the first equivalent point are given respectively by:
A
`pK_(a1) and pK_(a1)+pK_(a2)`
B
`sqrt(K_(a1)C) and(pK_(a1)+pK_(a2))/2`
C
`pK_(a1)and(pK_(a1)+pK_(a2))/2`
D
`pK_(a1)andpK_(a2)`
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