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Chemistry
Frederick Ruiz

Balance the following chemical equation in acidic medium.Fe2+ (aq) + Cr2O72-(aq) ----> Fe3+(aq) + Cr3+ (aq)​

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Answer:

Fe2+ -> Fe3+ +e-]×6

Cr2O72- + 6e- +14H+ -> 2Cr3+ +7H2O

The complete balanced chemical equation is

6Fe2+ +Cr2O72- +14H+ -> 6Fe3+ + 2Cr3+ 7H2O

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Anna-Leena
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