Chemical dissociation of all the reactions are (a) Exothermic (b) Reversible (c) Endothermic (d) Reversible and endothermic
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The answer is option (a)Exothermic
Chemical dissociation of all the reactions are Exothermic because in case of dissociation, cleavage of a bond is necessary.So naturally for breaking any bond energy is expended.So heat or energy will be liberated i.e Exothermic.
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