What is the oxidation state of Phosphorus in orthophosphoric acid ()? | Mole Concept and Some Basic Concepts of Chemistry — Chem-Mantra

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Question

What is the oxidation state of Phosphorus in orthophosphoric acid ($H_3PO_4$)?

Answer: 5

💡 Solution & Explanation

$3(+1) + P + 4(-2) = 0 \Rightarrow 3 + P - 8 = 0 \Rightarrow P = +5$. [6, 19]

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