A) Which of the following reactions show how H2PO4- acts as a Bronsted-Lowry acid? (Select all that apply.) a. H2PO4-(aq) + K+(aq) → KH2PO4(s) b. H2PO4-(aq) + F-(aq) → HPO42-(aq) + HF(aq) c. H2PO4-(aq) + OH-(aq) → HPO42-(aq) + H2O d. H2PO4-(aq) + H2SO4(aq) → H3PO4(aq) + HSO4-(aq) e. H2PO4-(aq) + H3O+(aq) → H3PO4(aq) + H2O B) Which of the following reactions show how H2PO4- acts as a Bronsted-Lowry base? (Select all that apply.) a. H2PO4-(aq) + K+(aq) → KH2PO4(s) b. H2PO4-(aq) + F-(aq) → HPO42-(aq) + HF(aq) c. H2PO4-(aq) + OH-(aq) → HPO42-(aq) +

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Chapter17: Acid-base(proton Transfer) Reactions
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Problem 4E: a Write a net ionic equation to show that hypochlorous acid behaves as a Brnsted-Lowry acid in...
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A) Which of the following reactions show how H2PO4- acts as a Bronsted-Lowry acid? (Select all that apply.)

a. H2PO4-(aq) + K+(aq) → KH2PO4(s)

b. H2PO4-(aq) + F-(aq) → HPO42-(aq) + HF(aq)

c. H2PO4-(aq) + OH-(aq) → HPO42-(aq) + H2O

d. H2PO4-(aq) + H2SO4(aq) → H3PO4(aq) + HSO4-(aq)

e. H2PO4-(aq) + H3O+(aq) → H3PO4(aq) + H2O

B) Which of the following reactions show how H2PO4- acts as a Bronsted-Lowry base? (Select all that apply.)

a. H2PO4-(aq) + K+(aq) → KH2PO4(s)

b. H2PO4-(aq) + F-(aq) → HPO42-(aq) + HF(aq)

c. H2PO4-(aq) + OH-(aq) → HPO42-(aq) + H2O

d. H2PO4-(aq) + H2SO4(aq) → H3PO4(aq) + HSO4-(aq)

e. H2PO4-(aq) + H3O+(aq) → H3PO4(aq) + H2O

 

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