Identify the unknown carbohydrate based on the following results. Your choices are: Fructose, Glucose, Maltose, Starch,...
Identify the unknown carbohydrate based on the following results. Your choices are: Fructose, Glucose, Maltose, Starch, and Sucrose
- No reaction with iodine
- Molisch test - rapidly formed purple ring
- Benedict's test - red precipitate
- Barfoed's test - brick red precipitate
- Bial's test - green solution
- Seliwanoff test - red color after 2 minutes
Answer: ___________
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Identify the unknown carbohydrate based on the following
results. Your choices are: Fructose, Glucose, Maltose, Starch,...
organic chemistry help 7) A student was given unknown #1. It showed the following test results:...
organic chemistry help
7) A student was given unknown #1. It showed the following test results: Molisch-clear to purple interface, lodine-lodide-red/brown persists, Barfoed - remains clear, Bial = clear to brown, Benedict - remains blue, Seliwanoff - clear to red. The unknown is: a) Starch b) Maltose c) Sucrose d) Fructose e) Glucose f) Xylose 8) A student was given unknown #11. It showed the following test results: Molisch=clear to purple interface, lodine-lodide=red/brown persists, Barfoed = remains clear, Bial =...
answers for the upcoming homework should be among sucrose, glucose, starch, fructose and lactose. Results for...
answers for the upcoming homework should be among
sucrose, glucose, starch, fructose and lactose.
Results for Unknowns. Unknown A Benedict's Test: Bluish color Seliwanof's Test: Red Fermentation Test: Bubbles Iodine Test: no color change Unknown A is because Unknown C Benedict's Test: Red-orange precipitatc Seliwanoff's Test: no color change Fermentation Test: Bubbles lodine Test: no color change Unknown C is because Unknown E Benedict's Test: Blue-green color Seliwanoff's Test: no color change Fermentation Test: Bubbles lodine Test: Purple/Black color Unknown...
ne u ral features of car rots encruent, which of the following to distinguish reducing monosaccharides...
ne u ral features of car rots encruent, which of the following to distinguish reducing monosaccharides from reducing disaccharides? (a) Benedict's Test (c) Iodine Test (b) Molisch Test (d) Barfoed's Test for the m arketohexoses is indicated by 5. In the Seliwanoff's test, a positive what color? (a) purple (c) dark reddish brown (d) greenish-blue (b) red-orange 6. Vitamin C is also known as (a) sodium hydroxide (c) ascorbic acid (d) glucose (b) sulfuric acid 7. The oxidation of secondary...
please help me answer the following questions 33 DE CARBOHYDRATES THE Starch Carbohyd- rate class monosacchetides P...
please help me answer the following questions
33 DE CARBOHYDRATES THE Starch Carbohyd- rate class monosacchetides Precipitate PART B. SOME REACTIONS OF CARBOHYDRATES Spor Test Results with Carbohydrates Glucose Fructose Sucrose Benedict's Grick red Brick red negative negative test blues (blue) Fehling's Positive Positive Negativ test burnt orange brown l Tollens negative regate negative test clearish cleau clear Glucose oxidase test Iodine dark test blue negative | reaction mono saccharid sitive What class of carbohydrate can be expected to give...
Question : Making use of the tests for carbohydrates outlined in experiment number (5 and 6),...
Question : Making use of the tests for carbohydrates outlined in experiment number (5 and 6), design your own scheme for the identification of different classes of carbohydrates (eg: Mono, di, polysaccharides). Starch, Sucrose, Galactose, Glucose, Fructose, Pentose, Lactose, Maltose Test Reagents Positive results Indication Distilled water Formation of precipitate or cloudiness. Differentiate between mono/disaccharides & polysaccharides Solubility Appearance of reddish-brown colour Differentiate between starch and glycogen (branching effect) Differentiate between reducing& non-reducing sugars. Differentiate between reducing& non-reducing sugars. General...
Q.5 What is the difference in the structure of amylose and cellulose? bloot Results of Carbohydrate...
Q.5 What is the difference in the structure of amylose and cellulose? bloot Results of Carbohydrate Tests D. Benedict's Test E. Seliwanoff's Test F. Fermentation Test G. Iodine Test Glucose Fructose Sucrose Lactose Starch Water Unknown 234
Carbohydrates What is the purpose of this experiment? Please write one paragraph in complete sentences. A. SOLUBILI...
Carbohydrates What is the purpose of this experiment? Please write one paragraph in complete sentences. A. SOLUBILITY Conclusion Carbohydrate Starch Observation(s) acody lwhite Glucose cloor Clear Sucrose B. BENEDICT'S AND IODINE TESTS Benedict's Test 1% Sugar/Starch Observation(s) and lodine Test Observation(s) Conclusion and Conclusion Glucose Yellow light no change orange Iclear Fructose no change Maltose light geen clear no change Green I clear no charge Lactose purple clear Sucrose no chonge sta blue clear Starch black Iclumps Lab Report: Carbohydra
oup e i ent i S caPapie to act as n veducin s enown 6. Draw the ring structures for (-D-fructose and for e-bsfructoseS 7. An unknown carbohydrate gave a red precipitate when tested with Fehling&#...
oup e i ent i S caPapie to act as n veducin s enown 6. Draw the ring structures for (-D-fructose and for e-bsfructoseS 7. An unknown carbohydrate gave a red precipitate when tested with Fehling's reagent, turned red when reacted with Seliwanoff's reagent, and quickly gave a red precipitate when reacted with Barfoed's reagent. What conclusions can be made about this carbohydrate? 9. What test could be used to differentiate between sucrose and lactose? Explain.
oup e i ent...
PRE-LABORATORY ASSIGNMENT Carbohydrates 1. Draw the structures of fructose (ring structures) present in a solution at...
PRE-LABORATORY ASSIGNMENT Carbohydrates 1. Draw the structures of fructose (ring structures) present in a solution at equilibrium. 2. An unknown carbohydrate showed a positive test reaction when tested with Fehling's reagent, turned red when reacted with Seliwanoff's reagent, and reacted quickly with Barfoed's reagent. What conclusions can be made about this compound? 3. What test could be used to differentiate between the compounds in each set? a. sucrose and maltose b. fructose and glucose c. lactose and glucose
Report Sheet Carbohydrates Results of Carbohydrate Tests D. Benedict's Test E. Seliwano T Glucose e rmentation...
Report Sheet Carbohydrates Results of Carbohydrate Tests D. Benedict's Test E. Seliwano T Glucose e rmentation Test G. Todine Test Fructose Sucrose Lactose Starch Water Questions and Problems 0.6 From the results above, list the sugars that are reducing sugars and those that are not Reducing sugars Nonreducing sugars Q.7 What sugars are ketoses? Q.8 What sugars give a positive fermentation test? Q.9 Which carbohydrates give a blue-black color in the iodine test?
organic chemistry help
7) A student was given unknown #1. It showed the following test results: Molisch-clear to purple interface, lodine-lodide-red/brown persists, Barfoed - remains clear, Bial = clear to brown, Benedict - remains blue, Seliwanoff - clear to red. The unknown is: a) Starch b) Maltose c) Sucrose d) Fructose e) Glucose f) Xylose 8) A student was given unknown #11. It showed the following test results: Molisch=clear to purple interface, lodine-lodide=red/brown persists, Barfoed = remains clear, Bial =...
answers for the upcoming homework should be among
sucrose, glucose, starch, fructose and lactose.
Results for Unknowns. Unknown A Benedict's Test: Bluish color Seliwanof's Test: Red Fermentation Test: Bubbles Iodine Test: no color change Unknown A is because Unknown C Benedict's Test: Red-orange precipitatc Seliwanoff's Test: no color change Fermentation Test: Bubbles lodine Test: no color change Unknown C is because Unknown E Benedict's Test: Blue-green color Seliwanoff's Test: no color change Fermentation Test: Bubbles lodine Test: Purple/Black color Unknown...
ne u ral features of car rots encruent, which of the following to distinguish reducing monosaccharides from reducing disaccharides? (a) Benedict's Test (c) Iodine Test (b) Molisch Test (d) Barfoed's Test for the m arketohexoses is indicated by 5. In the Seliwanoff's test, a positive what color? (a) purple (c) dark reddish brown (d) greenish-blue (b) red-orange 6. Vitamin C is also known as (a) sodium hydroxide (c) ascorbic acid (d) glucose (b) sulfuric acid 7. The oxidation of secondary...
please help me answer the following questions
33 DE CARBOHYDRATES THE Starch Carbohyd- rate class monosacchetides Precipitate PART B. SOME REACTIONS OF CARBOHYDRATES Spor Test Results with Carbohydrates Glucose Fructose Sucrose Benedict's Grick red Brick red negative negative test blues (blue) Fehling's Positive Positive Negativ test burnt orange brown l Tollens negative regate negative test clearish cleau clear Glucose oxidase test Iodine dark test blue negative | reaction mono saccharid sitive What class of carbohydrate can be expected to give...
Question : Making use of the tests for carbohydrates outlined in experiment number (5 and 6), design your own scheme for the identification of different classes of carbohydrates (eg: Mono, di, polysaccharides). Starch, Sucrose, Galactose, Glucose, Fructose, Pentose, Lactose, Maltose Test Reagents Positive results Indication Distilled water Formation of precipitate or cloudiness. Differentiate between mono/disaccharides & polysaccharides Solubility Appearance of reddish-brown colour Differentiate between starch and glycogen (branching effect) Differentiate between reducing& non-reducing sugars. Differentiate between reducing& non-reducing sugars. General...
Q.5 What is the difference in the structure of amylose and cellulose? bloot Results of Carbohydrate Tests D. Benedict's Test E. Seliwanoff's Test F. Fermentation Test G. Iodine Test Glucose Fructose Sucrose Lactose Starch Water Unknown 234
Carbohydrates What is the purpose of this experiment? Please write one paragraph in complete sentences. A. SOLUBILITY Conclusion Carbohydrate Starch Observation(s) acody lwhite Glucose cloor Clear Sucrose B. BENEDICT'S AND IODINE TESTS Benedict's Test 1% Sugar/Starch Observation(s) and lodine Test Observation(s) Conclusion and Conclusion Glucose Yellow light no change orange Iclear Fructose no change Maltose light geen clear no change Green I clear no charge Lactose purple clear Sucrose no chonge sta blue clear Starch black Iclumps Lab Report: Carbohydra
oup e i ent i S caPapie to act as n veducin s enown 6. Draw the ring structures for (-D-fructose and for e-bsfructoseS 7. An unknown carbohydrate gave a red precipitate when tested with Fehling's reagent, turned red when reacted with Seliwanoff's reagent, and quickly gave a red precipitate when reacted with Barfoed's reagent. What conclusions can be made about this carbohydrate? 9. What test could be used to differentiate between sucrose and lactose? Explain.
oup e i ent...
PRE-LABORATORY ASSIGNMENT Carbohydrates 1. Draw the structures of fructose (ring structures) present in a solution at equilibrium. 2. An unknown carbohydrate showed a positive test reaction when tested with Fehling's reagent, turned red when reacted with Seliwanoff's reagent, and reacted quickly with Barfoed's reagent. What conclusions can be made about this compound? 3. What test could be used to differentiate between the compounds in each set? a. sucrose and maltose b. fructose and glucose c. lactose and glucose
Report Sheet Carbohydrates Results of Carbohydrate Tests D. Benedict's Test E. Seliwano T Glucose e rmentation Test G. Todine Test Fructose Sucrose Lactose Starch Water Questions and Problems 0.6 From the results above, list the sugars that are reducing sugars and those that are not Reducing sugars Nonreducing sugars Q.7 What sugars are ketoses? Q.8 What sugars give a positive fermentation test? Q.9 Which carbohydrates give a blue-black color in the iodine test?
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