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Question

Which of the following reaction types are true for the given reaction?

C(s)+O2 (g)CO2(g)+Heat

A
Combination reaction
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B
Redox reaction
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C
Exothermic reaction
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D
Endothermic reaction
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Solution

The correct options are
A Combination reaction
B Redox reaction
C Exothermic reaction
The given reaction is a combination reaction because carbon and oxygen atoms are combining to form a carbon dioxide molecule.

In the given reaction, carbon is oxidised by gaining oxygen and thus oxygen is reduced. The reaction in which oxidation and reduction take place simultaneously is called as a redox reaction. So the given reaction is a redox reaction.

The given reaction is exothermic in nature since heat is released.

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