Reaction I is a REDOX reaction because there is a clear transfer of electrons occurring between the two reactants. A. Label each compound from the reaction above in the spaces provided. Oxidizing Agent: Reducing Agent: becomes Oxidized. becomes Reduced. B. Overall, in reaction 1 above, electrons from compound compound resulting in the. Below are the two half reactions that make up the REDOX portion of reaction 1 above. are used to reduce (oxidation/reduction) of A. NAD + H+2e NADH exc=0 MCOH + H+2e T HCO P A H C=0 HCON H,CO P B University of Califo 5. Half reactions are written in the reduction direction. Circle the reduced form of the com- pounds in each half reaction above.