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P BLOCK ELEMENTS
Question #37606
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Question
What is the relationship between orthophosphoric acid (H3PO4) and pyrophosphoric acid (H4P2O7)?
A. They are isomers
B. Pyrophosphoric acid is formed by the condensation of two orthophosphoric acid molecules
C. Pyrophosphoric acid is a hydrolyzed form of orthophosphoric acid
D. They are unrelated
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