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D-Glucose is treated with an excess of acetic anhydride in the presence of pyridine. Identify the products formed.

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Important Questions on Biomolecules

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Beta Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>EXERCISE-2>Q 11

The product formed in the reaction is:

C6H5CHOHCOC6H5→C6H5NHNH2excess

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Beta Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>EXERCISE-2>Q 12
+-Sucrose has a specific rotation of +66.5°, while D-+-glucose and D---fructose have specific rotations +52.5° and -92.4° respectively. After complete hydrolysis of +-surcose by dilute acid, what will be the specific rotation of the hydrolysis product, called invert sugar [a 1 : 1 mixture of D-+-glucose andD---fructose]?
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Beta Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>EXERCISE-2>Q 13
Consider the following statements:
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Beta Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>EXERCISE-2>Q 14
Consider the following statements about sucrose.
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Beta Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>EXERCISE-2>Q 15
Alanine, at its isoelectric point, exists in solution as:
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Beta Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>EXERCISE-2>Q 16
Which of the following do not undergo hydrolysis:
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Beta Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>EXERCISE-2>Q 17
Glucose cannot be classified as:
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Beta Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>EXERCISE-2>Q 19
The function of enzymes in the living system is to