Explain oxidation reduction and redox reaction with example.ncert answers please.
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Answer:
Oxidation reaction: The reaction in which oxygen is gained or hydrogen is lost, is called oxidation reaction. e.g. 2Cu+O2heat 2CuO. Reduction reaction. The reaction in which hydrogen is gained or oxygen is lost, is called reduction reaction. e.g., CuO+H2heat Cu+H2O
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Answer:
A reaction in which one reactant undergoes oxidation whereas the other gets reduced during the course of reaction are termed as oxidation-reduction reactions or redox reactions. Oxidation refers to the loss of electrons or increase in oxidation state by a molecule, atom, or ion.
Explanation:
Example: ZnO + C → Zn + CO. Here, C is oxidised to CO because oxygen is being added and ZnO is reduced to Zn because oxygen is being removed. Therefore, it is a redox reaction.
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