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Is it true that copper is a reducing agent?

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a

True

b

False

answer is A.

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Detailed Solution

The above statement is true.
In a redox reaction, the loss of electrons is known as oxidation, and the gain of electrons is known as reduction. The substance that gains electrons is known as the reducing agent, as a negative charge will be implied on it. Generally, copper(II) has an oxidation state of +2, and the metal has an oxidation state of 0. When copper reacts with oxygen, it gains oxygen which means that copper acts as a reducing agent in this reaction. The heated copper metal reacts with oxygen and produces black copper oxide. The reaction is:
2Cu + O2 → 2CuO

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