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General Chemistry6. Chemical Quantities & Aqueous ReactionsRedox Reactions

Multiple Choice

Which element is being reduced in the following reaction?
Cr₂O₇^2- + 3 HNO₂ + 5 H⁺→ 2 Cr³⁺ + 3NO₃^- + 4 H₂O

A

Cr

B

H

C

N

D

O

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