Q.

Is it true that oxidation is an endothermic reaction?


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a

True

b

False  

answer is B.

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Detailed Solution

The above statement is false.
An oxidation reaction is defined as those reactions in which oxygen combines with elements or compounds. For e.g. the formation of water by hydrogen and oxygen gases is an oxidation reaction. Oxidation reactions are exothermic as heat is evolved in these reactions. The reaction that takes place is
H2(g) + O2(g) → H2O(l)
The corrected statement would be, “Oxidation is an exothermic reaction”.
 
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