TMA 2 CHM315 CARBOHYDRATE CHEMISTRY

1. A monosaccharide reacts with an alcohol in the presence of an acid catalyst to form_____?
2. Fructose
3. Glucose
4. Glycogen
5. Glycoside

The answer is D. Glycoside

2. Aldaric acid is obtained by oxidising
3. One end of a ketone
4. Both end of a ketone
5. One end of an aldose
6. Both end of an aldose

The answer is D. Both end of an aldose

3. Kiliani-Fischer synthesis deals with
4. Chain reversal
5. Chain shortening
6. Chain lengthening
7. Chain division

The answer is C. Chain lengthening

4. Glycosides have two basic components, thus
5. Alcohol and ether
6. Glucose and starch
7. Sugar and alcohol
8. None of the option

The answer is C. Sugar and alcohol

5. The main difference highlighted in osazone reaction is on the carbon at___
6. a-position
7. b-position
8. s-position
9. m-position

The answer is A. a-position

6. What is the process through which alditol is prepared from an aldose?
7. Oxidation
8. Reduction
9. Esterification
10. Simple combination

The answer is B. Reduction

7. Aldose are oxidized to corresponding
8. Benzoic acid
9. Acetic acid
10. Aldonic acid
11. Malonic acid

The answer is C. Aldonic acid

8. The name of the reaction in which pentose ARABINOSE gives the tetrose erythrose is called
9. Wohl degradation
10. Ruff degradation
11. Killiani-Fischer
12. Tisceher synthesis

The answer is B. Ruff degradation

9. Acetal derivatives prepared by acid-catalyzed reactions with benzaldehyde forms
10. Six membered acetals
11. Six membered cyclic acetals
12. Five membered acetals
13. Five membered cyclic acetals

The answer is B. Six membered cyclic acetals

10. Salicin a glucoside is a natural anology to
11. Aspirin
12. Paracetamol
13. Analgin
14. Ibrofen

The answer is A. Aspirin