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Which Chemical Equation Shows the Dissociation of Two Protons from Trihydrogen

Question 56

Multiple Choice

Which chemical equation shows the dissociation of two protons from trihydrogen phosphate (phosphoric acid) ?

A) H₃PO₄ $\rarr$ H ₂⁺+ HPO₄¯
B) H₃PO₄ $\rarr$ H ₂²⁺+ PO₄ ²¯
C) H₃PO₄ $\rarr$ 2H⁺ + HPO₄ ¯
D) H₃PO₄ $\rarr$ H ₃³⁺ + PO₄^3¯

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