10
AssignmentMultiple Choice

Nomenclature of Covalent Compounds

Question 10 • *26-27 CFISD TX-Chemistry A CR

Phosphoric acid

Answer
A
H3PO4
B
H3PO3
C
H3P

Explanation

Phosphoric acid is the oxyacid of phosphorus with four oxygen atoms and three hydrogen atoms, so its formula is H₃PO₄. H₃PO₃ is phosphorous acid, while H₃P is not phosphoric acid.

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