Question

All reactions which have chemical disintegration :

• A. Is reversible
• B. Is reversible and endothermic
• C. Is exothermic
• D. Is reversible or irreversible and endothermic or exothermic

Answer 1

The correct option is D Is reversible or irreversible and endothermic or exothermic

Chemical disintegration is a method by which a compound gets broken down into two or more simpler molecules or atoms.

All reactions which have chemical disintegration are reversible or irreversible and endothermic or exothermic.

Example of irreversible and exothermic reaction which disintegrates into its following constituents:

$2KCl{O}_3\left(S\right)\stackrel{△}{⟶}2KCl\left(S\right)+3O_2\left(g\right)$

Example of reversible reaction:

$N_2\left(g\right)+3H_2\left(g\right)\rightleftharpoons 2N{H}_3\left(g\right)$

Example of endothermic reaction:

$HC{O^{-}}_3+H^{+}⟶H_{2}O+C{O}_2$

Here, Option $D$ is the correct answer.