3Cu + Cr2O72- + 14H+ ? 3Cu2+ + 2Cr3+ + 7H2O In the above reaction, the oxidation state of copper changes from ___ to ___. How many electrons are transferred in the reaction?
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Identify the oxidation state of copper before and after the reaction. - Before the reaction: SCu - After the reaction: Cu Since there is no charge indicated for either species, we assume that the oxidation state of Cu before the reaction is 0 (elemental state). Show more…
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