H4P2O7 is the chemical formula of _____________ phosphoric acid?
Correct answer: A. Pyro
- A. Pyro
- B. Ortho
- C. Meta
- D. None of these
Explanation
H₄P₂O₇ is pyrophosphoric acid, commonly called pyro phosphoric acid. Orthophosphoric acid is H₃PO₄, while metaphosphoric acid has the repeating-unit formula (HPO₃)ₙ.
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