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What is an oxidation reaction? Is it exothermic or endothermic? Give one example of oxidation Reaction

Question

What is an oxidation reaction?

Is it exothermic or endothermic?

Give one example of oxidation Reaction

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Solution

  1. An oxidation reaction is a type of chemical reaction that involves a transfer of electrons. It occurs when a substance loses electrons, leading to an increase in its oxidation state. This process is often associated with the addition of oxygen to a substance or the removal of hydrogen from it.

  2. Whether an oxidation reaction is exothermic or endothermic depends on the specific reaction. Some oxidation reactions release heat, making them exothermic. Others absorb heat, making them endothermic.

  3. An example of an oxidation reaction is the rusting of iron. In this reaction, iron (Fe) reacts with oxygen (O2) in the air to form iron(III) oxide (Fe2O3), commonly known as rust. The reaction can be represented as follows:

    4 Fe(s) + 3 O2(g) → 2 Fe2O3(s)

In this reaction, iron is oxidized (loses electrons) to form iron(III) oxide.

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