The Latimer diagram for phosphorus in acidic solution at 25 °C is shown. H₂PO (+5) E = -0.93 H₂P₂06 (+4) -0.28 0.38 H₂PO₂ (+3) -0.50 H₂PO₂ (+1) -0.50 Calculate the standard reduction potential for the reduction of H3PO3 to PH3. ? -0.51 P (0) -0.06 PH₂ (-3) V

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