Strongest conjugate base is

Strongest conjugate base among the following is :

The strongest conjugate base results from

The strongest conjugate base results from

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

The equilibrium constant for the given reaction is approximately 10^(-3) HPO_(4)^(2-)(aq) +HCO_(3)^(-) (aq)hArr H_(2)PO_(4)^(-) (aq) +CO_(3)^(2-)(aq) Which is strongest conjugate base in the given reaction?

The equilibrium constant for the given reaction is approximately 10^(-3) HPO_(4)^(2-)(aq) +HCO_(3)^(-) (aq)hArr H_(2)PO_(4)^(-) (aq) +CO_(3)^(2-)(aq) Which is strongest conjugate base in the given reaction?

The equilibrium constant for the given reaction is approximately 10^(-3) HPO_(4)^(2-)(aq) +HCO_(3)^(-) (aq)hArr H_(2)PO_(4)^(-) (aq) +CO_(3)^(2-)(aq) Which is strongest conjugate base in the given reaction?

Which of the following is the strongest conjugate base ?