1. Which of the following gives a positive Benedict’s test? Explain.
Which of the following gives a positive Benedict's test? Explain
a. Maltose
b. Sucrose
c. Glycogen
d. Cellulose
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1. Which of the following gives a positive Benedict’s test? Explain.
1-10 help!!! 1) A carbohydrate that gives two molecules when it is completely hydrolyzed is known...
1-10 help!!!
1) A carbohydrate that gives two molecules when it is completely hydrolyzed is known as a A) monosaccharide. B) disaccharide. C) polysaccharide. D) starch. 2) A reducing sugar gives a precipitate of silver metal with Benedict's reagent. a. True b. False 3) Cellulose will give a positive Benedict's test. Sa TrueS b. False 4) The product of oxidation of an aldose is a carboxylic acid. Sa True b. False 5) Maltose is a reducing sugar. a. True b....
Identify ALL of the following which are fibers: xantham gum lactose galactose ...
Identify ALL of the following which are fibers: xantham gum lactose galactose sucrose maltose pectin glucose lactose guar gum starch cellulose amylopectin glycogen amylose fructose
Which of the following sugars would NOT yield a positive Fehling's test (red color change)? Which...
Which of the following sugars would NOT yield a positive Fehling's test (red color change)? Which of the following sugars would NOT yield a positive Fehling's test (red color change)? lactose maltose sucrose All of the listed responses would yield a positive result.
Experiment 33 PART B. SOME REACTIONS OF CARBOHYDRATES Spor Test Results with Carbohydrates Sucrose Carbohyd- Starch...
Experiment 33 PART B. SOME REACTIONS OF CARBOHYDRATES Spor Test Results with Carbohydrates Sucrose Carbohyd- Starch Fructose Glucose rate class Benedict's test Fehling's test Tollens test Glucose oxidase test Iodine test What class of carbohydrate can be expected to give a positive test with the spot tests below? Benedict's glucose oxidase Fehling's iodine Tollens Hydrolysis of polysaccharides Test Results Results of Result from Benedict's test strips Solution Result from iodine test Initial starch Initial sucrose Initial cellulose Final starch Final...
2. Indicate whether the followin g carbohydrates will give a positive (+) or a negative (...
2. Indicate whether the followin g carbohydrates will give a positive (+) or a negative ( -) result with each test listed below Benedict's test Seliwanoff's test Fermentation test lodine test glucose fructose galactose sucrose lactose maltose amylose amylopectin
help! Question 1 (1.25 points) Which of the following carbohydrates contain ketohexoses? (Select all that apply.)...
help!
Question 1 (1.25 points) Which of the following carbohydrates contain ketohexoses? (Select all that apply.) Sucrose Fructose Lactose Starch Cellulose Question 2 (1.25 points) Which of the following functional groups in a carbohydrate are able to be oxidized to carboxylic acids? (Select all that apply.) Alcohols Ketones that are rearranged in solution. Aldehydes Ketones that are not rearranged in solution. Question 3 (1.25 points) Which of the following carbohydrates were reducing sugars? (Select all that apply.) Sucrose Cellulose Starch...
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...
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 =...
1. Which of the following carbohydrates contain ketohexoses? a. starch b. sucrose c. cellulose d. fructose...
1. Which of the following carbohydrates contain ketohexoses? a. starch b. sucrose c. cellulose d. fructose d. lactose 2. Which of the following functional groups in a carbohydrate are able to be oxidized to carboxylic acids? a. ketones that are rearranged in solution b. ketones that are not rearranged in solution c. aldehydes d. alcohols 3. Which of the following carbohydrates were reducing sugars? a. lactose b. sucrose c. fructose d. starch e. cellulose 4. Why does lactose give a...
#13 c. The 'no acid' test tube (on the right): Slightly opaque 2. Which test tube...
#13
c. The 'no acid' test tube (on the right): Slightly opaque 2. Which test tube gave a positive Benedict's test? #24 #3 test tube light green 13. The purpose of the acid and water bath was to hydrolyze the glycosidic bonds in the disaccharide. Give an equation for the acid-catalyzed hydrolysis of sucrose. Draw the Haworth Formulas and give the name of the monosaccharides produced from hydrolysis. CH OH 0 H H OH H НО H H OH o...
1-10 help!!!
1) A carbohydrate that gives two molecules when it is completely hydrolyzed is known as a A) monosaccharide. B) disaccharide. C) polysaccharide. D) starch. 2) A reducing sugar gives a precipitate of silver metal with Benedict's reagent. a. True b. False 3) Cellulose will give a positive Benedict's test. Sa TrueS b. False 4) The product of oxidation of an aldose is a carboxylic acid. Sa True b. False 5) Maltose is a reducing sugar. a. True b....
Experiment 33 PART B. SOME REACTIONS OF CARBOHYDRATES Spor Test Results with Carbohydrates Sucrose Carbohyd- Starch Fructose Glucose rate class Benedict's test Fehling's test Tollens test Glucose oxidase test Iodine test What class of carbohydrate can be expected to give a positive test with the spot tests below? Benedict's glucose oxidase Fehling's iodine Tollens Hydrolysis of polysaccharides Test Results Results of Result from Benedict's test strips Solution Result from iodine test Initial starch Initial sucrose Initial cellulose Final starch Final...
2. Indicate whether the followin g carbohydrates will give a positive (+) or a negative ( -) result with each test listed below Benedict's test Seliwanoff's test Fermentation test lodine test glucose fructose galactose sucrose lactose maltose amylose amylopectin
help!
Question 1 (1.25 points) Which of the following carbohydrates contain ketohexoses? (Select all that apply.) Sucrose Fructose Lactose Starch Cellulose Question 2 (1.25 points) Which of the following functional groups in a carbohydrate are able to be oxidized to carboxylic acids? (Select all that apply.) Alcohols Ketones that are rearranged in solution. Aldehydes Ketones that are not rearranged in solution. Question 3 (1.25 points) Which of the following carbohydrates were reducing sugars? (Select all that apply.) Sucrose Cellulose Starch...
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...
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 =...
#13
c. The 'no acid' test tube (on the right): Slightly opaque 2. Which test tube gave a positive Benedict's test? #24 #3 test tube light green 13. The purpose of the acid and water bath was to hydrolyze the glycosidic bonds in the disaccharide. Give an equation for the acid-catalyzed hydrolysis of sucrose. Draw the Haworth Formulas and give the name of the monosaccharides produced from hydrolysis. CH OH 0 H H OH H НО H H OH o...
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