Multiple Choice
In which of the following reactions does the H2PO4- ion act as an acid?
A) H3PO4 + H2O H3O+ + H2PO4-
B) H2PO4- + H2O H3O+ + HPO42-
C) H2PO4- + OH- H3PO4 + O2-
D) The ion cannot act as an acid.
E) Two of these.
Correct Answer:

Verified
Correct Answer:
Verified
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