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Problem: Which element is reduced in this reaction?Cr2O72− + 3HNO2 + 5H+ → 2Cr3+ + 3NO3−+4H2OEnter the chemical symbol of the element.

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Problem Details

Which element is reduced in this reaction?

Cr2O72− + 3HNO+ 5H→ 2Cr3+ + 3NO3+4H2O

Enter the chemical symbol of the element.

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Our tutors have indicated that to solve this problem you will need to apply the Redox Reactions concept. If you need more Redox Reactions practice, you can also practice Redox Reactions practice problems.

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Based on our data, we think this problem is relevant for Professor Cabirac's class at ASU.