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The equilibrium constant for the reactio...

The equilibrium constant for the reaction `HCO_(3)^(-)(aq)+HPO_(4)^(2-)(aq) iff CO_(3)^(2-)(aq)+H_(2)PO_(4)^(-)(aq)` is approximately `10^(-3)`. The strongest conjugate base in this reaction is

A

`HPO_(4)^(2-)(aq)`

B

`HCO_(3)^(-)(aq)`

C

`H_(2)PO_(4)^(-)(aq)`

D

`CO_(3)^(2-)(aq)`

Text Solution

Verified by Experts

The correct Answer is:
D
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