Cr2O7 + 6Fe2+ + 14H+ â†’ 2Cr3+ +6Fe3+ + 7H2O. In the above , the oxidation number of chromium changed from? - SchoolNGR

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Cr2O7 + 6Fe2+ + 14H+ â†’ 2Cr3+ +6Fe3+ + 7H2O. In the above , the ...

Cr₂O₇ + 6Fe²⁺ + 14H⁺ â†’ 2Cr³⁺ +6Fe³⁺ + 7H₂O. In the above , the oxidation number of chromium changed from?

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A +7 to +3
B +6 to +3
C +5 to +3
D -2 to +3

Correct Answer: Option A

Explanation:

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