Chemical formula of meta-phosphoric acid is ___________________?
Correct answer: C. HPO3
- A. H3PO4
- B. H4P2O7
- C. HPO3
- D. Same as that of Pyrophosphoric acid
Explanation
Meta-phosphoric acid has the formula HPO3 and is commonly represented as a polymeric or cyclic metaphosphate structure. H3PO4 is orthophosphoric acid, while H4P2O7 is pyrophosphoric acid.
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