- A-D-Glucose + -D-Glucose
- B-D-Glucose + -D-Fructose
- C-D-Fructose + -D-Fructose
- D-D-Glucose + -D-Fructose
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Correct answer: B
Sucrose is a disaccharide composed of two monosaccharide units, glucose and fructose, joined together via a glycosidic bond. Upon hydrolysis, this bond is broken, and the two constituent monosaccharides are released. Hydrolysis of sucrose results in the formation of one molecule of glucose and one molecule of fructose. However, it is important to specify the configurations of these monosaccharides as they exist in specific forms.
Sucrose $$\xrightarrow{Hydrolysis} $$ $\alpha $-D-Glucose + $\beta $-D-FructoseGlucose in sucrose is in the $\alpha$-D form while fructose is in the $\beta$-D configuration. Thus, the correct answer reflecting the products of sucrose hydrolysis is:
Option B: $\alpha$-D-Glucose + $\beta$-D-Fructose
This reflects the correct stereochemistry and identity of the monosaccharides produced from the hydrolysis of sucrose.
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