Question

Is oxidation reaction is an exothermic or endothermic reaction?

Answer 1

Answer:

Oxidation may be exothermic or endothermic depending upon the reactants used.

Oxidation of highly reactive substance is exothermic where oxidation of less reactive substance is endothermic.

Answer 2

Answer:

Explanation:

(i) A reaction in which heat is given away when

reactants are transformed into the products is

called as exothermic reaction.

(ii) e.g. formation of ice from water, dissolution of

sodium hydroxide in water.

(iii) When solid NaOH is dissolved in water, heat

is given out and therefore, the temperature

increases.

(iv) NaOH(s) + H2

O(l) → NaOH(aq) + Heat

Sodium

hydroxide

Water Sodium hydroxide

solution