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Two equilibria, \( \mathrm{AB} \rightleftharpoons \mathrm{A}^{+}+\mathrm{B}^{-} \)and \( \mathrm{AB}+\mathrm{B}^{-} \rightleftharpoons \mathrm{AB}_{2}^{-} \)are simultaneously maintained in a solution with equilibrium constants, \( \mathrm{K}_{1} \) and \( \mathrm{K}_{2} \) respectively. The ratio of \( \left[\mathrm{A}^{+}\right] \)to \( \left[\mathrm{AB}_{2}^{-}\right] \)in the solution is
- (a) directly proportional to \( \left[\mathrm{B}^{-}\right] \)
- (b) inversely proportional to \( \left[\mathrm{B}^{-}\right] \)
- (c) directly proportional to the square of \( \left[\mathrm{B}^{-}\right] \)
(d) inversely proportional to the square of \( \left[\mathrm{B}^{-}\right] \)
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