Question

Explain the following in terms of gain or loss of oxygen with two examples each a. Oxidation b. Reduction

Answer 1

Explanation:

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The original view of oxidation and reduction is that of adding or removing oxygen

(a) Oxidation: The reactions in which gain of oxygen takes place are called oxidation. Examples –

(a) Oxidation: The reactions in which gain of oxygen takes place are called oxidation. Examples –1. 2Cu + O2 —> 2CuO

(a) Oxidation: The reactions in which gain of oxygen takes place are called oxidation. Examples –1. 2Cu + O2 —> 2CuO2. 2H2 + O2 —> 2H2O

(a) Oxidation: The reactions in which gain of oxygen takes place are called oxidation. Examples –1. 2Cu + O2 —> 2CuO2. 2H2 + O2 —> 2H2O(b) Reduction: The reactions in which loss of oxygen takes place are called reduction. Examples –

(a) Oxidation: The reactions in which gain of oxygen takes place are called oxidation. Examples –1. 2Cu + O2 —> 2CuO2. 2H2 + O2 —> 2H2O(b) Reduction: The reactions in which loss of oxygen takes place are called reduction. Examples – 1. ZnO + C —> Zn + CO

(a) Oxidation: The reactions in which gain of oxygen takes place are called oxidation. Examples –1. 2Cu + O2 —> 2CuO2. 2H2 + O2 —> 2H2O(b) Reduction: The reactions in which loss of oxygen takes place are called reduction. Examples – 1. ZnO + C —> Zn + CO2. CuO + H2 —> Cu + H2O

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Answer 2

Explanation:

Oxidation : gain of oxygen .

Zn +O gives ZnO

Reduction : loss of oxygen

CuO gives Cu + O