BSc III OC_Quiz2

The relation between these two aldohexoses is

• Enantiomer

• Diastereomer

• Epimer

• Diastereomer as well as epimer

What would be produced from an alkaline solution of glucose while kept for several days?

• Mannose

• Fructose

• A mixture of Mannose and Fructose

• a mixture of Glucose, Mannose, and Fructose

Which of the following would be the correct product while α-D-glucopyranose is treated with benzaldehyde in presence of anhydrous ZnCl₂?

• 
• 
• 
• 

In the process of hemiacetal formation, the carbonyl carbon gets converted into a chiral carbon and hence, a new asymmetric center has been created. What is this new chiral carbon called?

The role of the β-glucosidase enzyme from almond is to convert

• A to B

• B to A

• Reverse process

• none of these

The protection of -OH groups in the Methyl-β-D-glucopyranoside with tert-butyldiphenylsilyl group yields-

• 
• 
• 
• None of these

Cupric acetate in 1% acetic acid (Barfoed’s reagent) oxidizes Fructose.

• True

• False

Find out A and B

• 
• 
• 
• 

The number of reducing sugars among the following is......

• 3
• 2

• 1

• 4