Question

om 4. In the structural features of sw a welch of the following was to distinguish reducing monosaccharides freeding disaccharides? (a) Benedict's Test (e) ladine Test (b) Molisch Test (d) Barfoed's Test is indicate 3. In the Seliwanoll's test, a positive result for the presence of ketohexos what color? (a) purple (c) dark reddish brown (b) red-orange (d) greenish-blue 6. Vitamin C is also known as (a) sodium hydroxide (b) sulfuric acid (e) ascorbic acid (d) glucose 7. The oxidation of secondary alcohols will produce (a) ketones c) phenols (b) aldehydes (d) acids 8. The oxidation of primary alcohols will produce (a) ketones (c) phenols (b) aldehydes (d) acids 9. After performing the Barfoed's test, which carbohydrate tested positive for a reducing dissacharide? (a) maltose (c) glucose (b) fructose (d) starch

Answer 1

4.Test for distinguishing monosaccharides from reducing disaccharides is

ans) d) Barfoed's Test

5. In the Seliwanoff's test the positive result for the presence of ketohexoses is indicated by

ans) b) red orange

6. Vitamin C is also known as

ans) c) ascorbic acid

7. Oxidation of Secondary alcohols produce

ans) a) Ketones

8. Oxidation of Primary alcohols produce

ans) b) aldehydes

9. After performing Barfoed's test, the carbohydrate tested positive for reducing disaccharides

ans) a) maltose

10. In the alcohols and phenols lab, alcohols are oxidised using

ans) c) Potassium dichromate

11. Solids are relatively more soluble in

ans) a) hot water

12. Color indication for the presence of phenol when reacts with ferric chloride

ans) d) purple

13. Molarity is defined by

ans) c) number of moles solute per litre

14. Presence of carbondi oxide dissolved in water is indicated by what color?

ans) a) yellow

15. Solution that had greatest solubility

ans) d) Sodium Chloride