Oxidation, reduction and redox agents

Define oxidation and reduction in terms of electron transfer, change in oxidation state and gain or loss of oxygen or hydrogen, and use oxidation states to identify the species oxidized and reduced and the oxidizing and reducing agents in a reaction.

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Which statement about this reaction is correct? $\ce{2Cl2 + O2 -> 2Cl2O}$ A. Chlorine is the reducing agent. B. Oxygen is the reducing agent. C. Chlorine is reduced. D. Oxygen is oxidized.

Which change represents oxidation of the functional group? A. $\ce{CH3COCH3 -> CH3CH(OH)CH3}$ B. $\ce{CH3CH(OH)CH3 -> CH3COCH3}$ C. $\ce{CH3CH2COOH -> CH3CH2CHO}$ D. $\ce{CH3CH=CH2 -> CH3CH2CH3}$

Which row identifies the oxidizing agent and the reducing agent in the reaction below? $\ce{3Cu(s) + 2NO3^-(aq) + 8H+(aq) -> 3Cu^2+(aq) + 2NO(g) + 4H2O(l)}$ A. Oxidizing agent: $\ce{Cu}$ , reducing agent: $\ce{NO3^-}$ B. Oxidizing agent: $\ce{NO3^-}$ , reducing…

Deduce the oxidation state of chlorine in each of the three chlorine-containing species in the equation. $\ce{Cl2}$ : $\ce{HOCl}$ : $\ce{Cl-}$ :

The overall reaction during the discharge of a lead–acid battery is: $\ce{Pb(s) + PbO2(s) + 2H2SO4(aq) -> 2PbSO4(s) + 2H2O(l)}$ Which statement is correct? A. The oxidation state of lead in $\ce{Pb(s)}$ changes from +2 to 0. B. The oxidation state of sulfur…

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