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write a balanced equation for the reaction between dichromate Ion and iron 2 to yield iron 3 and chromium 3 in acidic solution Cr2O72- + Fe2+ -> Cr3+ + Fe3+​

Respuesta :

Answer:

Cr2O72- + 5Fe2+ +14H+ -> 2Cr3+ + 5Fe3+ +7H2O

Explanation:

Fe2+ is oxidized to Fe3+ and Cr6+ is reduced to Cr3+