Consider the following equation: Cr2O2-7(aq) + 14H+(aq) + 6e- → 2Cr3+(ag) + 7H2O(1). The oxidation number of chromium changes from - SchoolNGR

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Consider the following equation: Cr2O2-7(aq) + 14H+(aq) + 6e- → 2Cr3+(ag) + ...

Consider the following equation: Cr₂O^2-_7(aq) + 14H⁺_(aq) + 6e^- → 2Cr³⁺_(ag) + 7H₂O₍₁₎. The oxidation number of chromium changes from

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A -2 to + 3
B -2 to + 6
C +6 to +3
D +7 to + 6

Correct Answer: Option C

Explanation:

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