Question

.Assertion : The decomposition of silver chloride into silver
and chlorine is an exothermic process.
Reason : Reactions in which energy is absorbed are known
as endothermic reactions.

(a) Both the Assertion and Reason are correct and the reason is
the correct explanation of the Assertion.
(b) The Assertion and the reason are correct but the Reason is
not the correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) The statement of the Assertion is false but the reason is true

Answer 1

Answer: (d) The statement of the Assertion is false but the reason is true

Answer 2

The decomposition of silver chloride into silver  and chlorine is an endothermic process. Reactions in which energy is absorbed are known  as endothermic reactions. Therefore, the assertion is false but the reason is true. Thus, the correct option is (d).

Explanation:

• When silver chloride is kept in sunlight, it decomposes into silver and chlorine.
• The reaction is called a decomposition reaction.

        $\[2AgCl\xrightarrow{{Sunlight}}2Ag + C{l_2}\]$

• As the reaction takes place in the presence of sunlight, energy is absorbed in the reaction. Therefore, the reaction is an endothermic reaction.
• Endothermic reactions are those reactions in which energy is absorbed.
• Thus, the assertion is a false statement but the reason is true.