Oxidation and Reduction (3)

Chemistry

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Examples of redox reactions involving oxidation and reduction in terms of the gain and loss of oxygen

The redox reaction that takes place between magnesium, Mg and carbon dioxide gas, CO2

Oxidised substance in the redox reaction: 2Mg(s) + CO₂ (g) -----> 2MgO(s) + C(s)

Magnesium, Mg

Reduced substance in the redox reaction: 2Mg(s) + CO₂ (g) -----> 2MgO(s) + C(s)

Carbon dioxide, CO₂

Reduced substance in the redox reaction: 2Mg(s) + CO₂ (g) -----> 2MgO(s) + C(s)

Carbon dioxide, CO₂

Oxidising agent in the redox reaction: 2Mg(s) + CO₂ (g) -----> 2MgO(s) + C(s)

Carbon dioxide, CO₂

Reducing agent in the redox reaction: 2Mg(s) + CO₂ (g) -----> 2MgO(s) + C(s)

Magnesium, Mg

The reactions that occur to magnesium, Mg in redox reaction (1): 2Mg(s) + CO₂ (g) -----> 2MgO(s) + C(s)

Magnesium, Mg gains oxygen

The reactions that occur to magnesium, Mg in redox reaction (2): 2Mg(s) + CO₂ (g) -----> 2MgO(s) + C(s)

Magnesium, Mg reduces carbon dioxide, CO₂

The reactions that occur to carbon dioxide, CO₂ in redox reaction (1): 2Mg(s) + CO₂ (g) -----> 2MgO(s) + C(s)

Carbon dioxide, CO2 loses oxygen

The reactions that occur to carbon dioxide, CO₂ in redox reaction (2): 2Mg(s) + CO₂ (g) -----> 2MgO(s) + C(s)

Carbon dioxide, CO₂ oxidises magnesium, M

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