Question

Which of the following equilibria best represents the hydrolysis reaction that occurs in an aqueous solution of KNO2?
A) NO2-(aq)+ H2O(l) HNO3(aq) + 2H+(aq)
B) NO2-(aq) + H2O(l) HNO2(aq) + OH-(aq)
C) NO2-(aq)+ H3O+(aq) HNO2(aq) + H2O(l)
D) K+(aq) + NO2-(aq) + H2O(l) KOH(aq) + HNO2(aq)
E) K+(aq) + H2O(l) KOH(aq) + H+(aq)

Answer

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