Practice question

MCQ

Question

In the reaction 2P + 3H₂O → PH₃ + H₃PO₃, what is the reducing agent?

Choose one · Correct answer highlighted

H₂O P Correct PH₃ H₃PO₃

P (0) is oxidized to +3 in H₃PO₃ and reduced to -3 in PH₃; P reduces itself in this disproportionation.

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