The specific rotation of α-L-glucose has to be given. Concept Introduction: The carbohydrates have D-monosaccharide and L-monosaccharide, which shows specific rotation based on their rotations. The D-monosaccharide shows specific rotation with the sign +. Whereas, the L-monosaccharide shows specific rotation with the sign −.

Question

Predict the organic products that form in the reaction below: OH H+ H+ + ☑ Y Note: You may assume you have an excess of either reactant if the reaction requires more than one of those molecules to form the products. In the drawing area below, draw the skeletal ("line") structures of the missing organic products X and Y. You may draw the structures in any arrangement that you like, so long as they aren't touching. Click and drag to start drawing a structure. ✓ m

Answer 1

Question

Chapter 25, Problem 25.23P

(a)

Interpretation Introduction

Interpretation:

The specific rotation of α-L-glucose has to be given.

Concept Introduction:

The carbohydrates have D-monosaccharide and L-monosaccharide, which shows specific rotation based on their rotations. The D-monosaccharide shows specific rotation with the sign +. Whereas, the L-monosaccharide shows specific rotation with the sign −.

(b)

Interpretation Introduction

Interpretation:

If α-L-glucose is dissolved in water, the specific rotation value will change or not and if changes, to what value has to be given.

Concept Introduction:

When carbohydrates are dissolved in water, the anomeric forms are interconverted (α-form to β-form) to attain equilibrium. This interconversion of the anomers is said to be mutarotation.

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