An aqueous solution of phosphoric acid and sodium nitrite is prepared and the following equilibrium is established.
H3PO4(aq) + NO2-(aq) ↔ H2PO4-(aq) + HNO2(aq)
The equilibrium constant Kc for this reaction is greater than one. Which of the following statements is correct?
Phosphoric acid is a weaker acid than nitrous acid.
Nitrous acid is a weaker acid than water.
The nitrite anion is a weaker base than the dihydrogen phosphate anion.
The dihydrogen phosphate anion is a stronger acid than nitrous acid.
Phosphoric acid is a stronger acid than nitrous acid.
2007-03-08
23:36:03
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2 answers
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asked by
jennifer
2
in
Science & Mathematics
➔ Chemistry