Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A) : An aqueous solution of $\mathrm{KOH}$ when used for volumetric analysis, its concentration should be checked before the use. Reason (R) : On aging, $\mathrm{KOH}$ solution absorbs atmospheric $\mathrm{CO}_{2}$. In the light of the above statements, choose the correct answer from the options given below :

Question

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R)

Assertion (A) : An aqueous solution of $\mathrm{KOH}$ when used for volumetric analysis, its concentration should be checked before the use.

Reason (R) : On aging, $\mathrm{KOH}$ solution absorbs atmospheric $\mathrm{CO}_{2}$.

In the light of the above statements, choose the correct answer from the options given below :

(A) is correct but (R) is not correct

(A) is not correct but (R) is correct

Both (A) and (R) are correct but (R) is not the correct explanation of (A)

Both (A) and (R) are correct and (R) is the correct explanation of (A)

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