Given below are two statements :
Question:

Given below are two statements : one is labelled as Assertion (A) and other is labelled as Reason (R). Assertion (A) : Sucrose is a disaccharide and a non-reducing sugar.

Reason (R) : Sucrose involves glycosidic linkage between $C_{1}$ of $\beta$-glucose and $C_{2}$ of $\alpha$-fructose. Choose the most appropriate answer from the options given below :

1. Both (A) and (R) are true but (R) is not the true explanation of (A)

2. (A) is false but $\mathbf{( R )}$ is true.

3. (A) is true but (R) is false

4. Both (A) and (R) are true and (R) is the true explanation of (A)

Correct Option: , 3

Solution:

Surcrose is example of disaccharide \& non reducing sugar

Assertion : correct

Sucrose involves glycosidic linkage between $C_{1}$ of $\alpha-\mathrm{D}-\mathrm{glucose} \mathrm{C}_{2}$ of $\beta-\mathrm{D}$-fructose

Reason : Incorrect