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JEE Main202126 Feb 2021Morning ShiftChemistryRedox ReactionsActual

Dichromate ion is treated with base, the oxidation number of Cr in the product formed is

Correct answer

6

Step-by-step solution

Cr 2 O 7 2 - + OH - ⟶ CrO 4 2 - Oxidation state of Cr in CrO 4 2 - is + 6

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