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How to do oxidation/reduction reactions

Do Oxidation/reduction Reactions

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Reduction reactions-involve the gain of electrons by a substance in a chemical reaction (GER). The gaining of electrons will be on the left side of the equation.

Cu+ + 1e- ---> Cu The Cu+ has a charge of +1 and the Cu on the right side has a charge of zero. You need to add the electron on the left side to make the Cu+ just Cu (1-1=0)

Oxidation Reactions-the loss of electrons by a substance in a chemical reaction. The electrons will be on the right side of the equation.

Cr+3 ---> Cr+6 + 3e- You add the electrons to the right side to get the charge the same as the left side. 6+ + 3e- = 3. (LEO).

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