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Oxidizing and Reducing Agents

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In the following reaction, identify the oxidizing and reducing agents.
Cd + NiO2 + 2H2O to Cd(OH)2 + Ni(OH)2

a) Cd+2 is the reducing agent, NiO2 is the oxidizing agent.
b) Cd is the reducing agent, H2O is the oxidizing agent.
c) Cd is the reducing agent, NiO2 is the oxidizing agent.
d) Cd is the reducing agent, O2 is the oxidizing agent.
e) Cd is the oxidizing agent, NiO2 is the reducing agent.

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Solution Preview

This is the reaction which occurs in a Nickel Cadmium battery. The NiCd battery is a rechargeable battery used in cordless appliances and tools. If you see the reaction, on the Left Hand Side (LHS), Cd has a net charge ...

Solution Summary

This solution provides an explanation of what is happening within the chemical reaction and a detailed description as to why the correct choice is in fact right. This is all explained in about 100 words.

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Reducing and Oxidizing Substance Equations

14. Tell which substance is reduced and which is oxidized in the following equations. Label the oxidizing agent and reducing agent in each equation.
a. 2Al(s)+3Cl_(2 ) (g) ï? 2AlCl_3(s)
b. S(s)+O_2(g)ï? SO_2(g)
c. CuO(s)+H_2(g)ï? Cu(s)+H_2O(g)
d. C_2 H_4(g)+H_2(g)ï? C_2 H_6(g)

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