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Chem

In the reaction
2HNO3(aq) + Cu(s) + 2H+(aq) �¨ 2NO2(g) + Cu2+(g) + 2H2O(l)
Which of the following statements is correct?

A.HNO3 is the reducing agent, and Cu is the oxidizing agent
B.HNO3 is the reducing agent, and H+ is the oxidizing agent
C.Cu is the reducing agent, and H+ is the oxidizing agent
D.Cu is the reducing agent, and HNO3 is the oxidizing agent
E.H+ is the reducing agent, and Cu is the oxidizing agent

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  1. Here is how you can answer.
    Oxidation is the loss of electrons. Reduction is the gain of electrons.
    The oxidizing agent is reduced; the reducing agent is oxidized.
    Look at N in HNO3 and Cu to see which is which. I'll be glad to check your answers.

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