Question

The oxidation number of Cr changes during the reaction from ________ to ___________. Because of this...

The oxidation number of Cr changes during the reaction from ________ to ___________. Because of this change, chromium is reduced / oxidized (circle one). The oxidation number of the alcoholic carbon changes from ________ to ___________. Because of this change, the carbon is reduced / oxidized (circle one).

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Answer #1

the oxidation number of Cr changes during the reaction from +6 to +4 . because of this change, chromium is reduced .

the oxidation number of the alcoholic carbon changes from to +1 to +2 . because of this change, the carbon is oxidized . in below quation.

but some tomes when reaction conditions are changed are are using different reagent like Cr2O7-2 reagent

alcohol changes to acid then carbon oxidation number changes +1 to +3.

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