(b) Heated with iron. [tex]Fe_{(s)} + CS_2(g) =\ extgreater \ FeS_{(s)} + C_{(s)}[/tex] QUESTION 4 Burning magnesium reacts with carbon dioxide to form carbon and a white solid. (i) Write the name of the white solid. (ii) Explain why this reaction is an example of redox (reduction - oxidation) reaction. (iii) Define oxidation in terms of oxidation number.

Question

(b) Heated with iron. [tex]Fe_{(s)} + CS_2(g) =\ 	extgreater \ FeS_{(s)} + C_{(s)}[/tex] QUESTION 4 Burning magnesium reacts with carbon dioxide to form carbon and a white solid. (i) Write the name of the white solid. (ii) Explain why this reaction is an example of redox (reduction - oxidation) reaction. (iii) Define oxidation in terms of oxidation number.

GinnyAnswer · Answer

The white solid formed is magnesium oxide. The reaction is a redox reaction because magnesium loses electrons and is oxidized while carbon dioxide gains electrons and is reduced. Oxidation is defined as an increase in oxidation number, meaning loss of electrons.
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Anonymous · Answer

The white solid formed is magnesium oxide. The reaction is a redox reaction because magnesium loses electrons and is oxidized while carbon dioxide gains electrons and is reduced. Oxidation is defined as an increase in oxidation number, meaning loss of electrons. 
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