Answer the following questions about the reactions and
properties of the disaccharide below, which is composed of two
D-mannose units.
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Answer the following questions about the reactions and
properties of the disaccharide below, which is composed...
Write the product(s) of the following reaction and answer questions a-d. CH2016 Disaccharide x H2O, HCI,...
Write the product(s) of the following reaction and answer questions a-d. CH2016 Disaccharide x H2O, HCI, 35°C HO HO OH -CH2OH ОН НО. OH a. Is Disaccharide x a reducing sugar? b. Does Disaccharide x undergo mutarotation? c. Does the Disaccharide x be digests by the human's ezymes? d. Write the common name of one of the product(s)
2) (13 Pts) Write the product(s) of the following reaction and answer questions a-d. CH2OH HO...
2) (13 Pts) Write the product(s) of the following reaction and answer questions a-d. CH2OH HO HO- OH Disaccharide x H2O, HCI, 35°C -CH2OH -ОН НО. OH a. Is Disaccharide x a reducing sugar? b. Does Disaccharide x undergo mutarotation? c. Does the Disaccharide x be digests by the human's ezymes? d. Write the common name of one of the product(s)
2) (13 Pts) Write the product(s) of the following reaction and answer questions a-d. CH2046 Disaccharide...
2) (13 Pts) Write the product(s) of the following reaction and answer questions a-d. CH2046 Disaccharide x H20, HCI, 35°C HO HO OH CH2OH -OH НО. OH a. Is Disaccharide x a reducing sugar? b. Does Disaccharide x undergo mutarotation? c. Does the Disaccharide x be digests by the human's ezymes? d. Write the common name of one of the product(s)
27 a) Mannobiose is a disaccharide of two units of D-mannose, shown below. Mannobiose consists of...
27 a) Mannobiose is a disaccharide of two units of D-mannose, shown below. Mannobiose consists of a a(1+6) linkage. Draw the structure of mannobiose. CHO HO -Н HO -H H- -ОН Н. -OH CH2OH b) Prepare the following compound from the starting material given and any necessary organic and/or inorganic reagents: from benzene and 1-propanol as the only source of carbon.
CARBOHYDRATES POST-LAB QUESTIONS CONT'D 23.Draw the Haworth structure of lactose and explain why this disaccharide gives...
CARBOHYDRATES POST-LAB QUESTIONS CONT'D 23.Draw the Haworth structure of lactose and explain why this disaccharide gives a positive Benedict's test; make sure to circle the part of the structure that is responsible for the reaction with Benedict's reagent. [5pts) Haworth Projection: (2.5 points) Hemiacetal circled / indicated (2.5 points) CARBOHYDRATES POST-LAB QUESTIONS CONT'D 24. When Benedict's reagent reacts with a reducing sugar, it oxidizes the aldehyde functional group to a carboxylic acid. As seen in the figure below: only a...
Problems and questions 1. Is the following disaccharide a reducing sugar? Explain. сн-Oн OH OH OH о CH2OH ОН OH Он...
Problems and questions 1. Is the following disaccharide a reducing sugar? Explain. сн-Oн OH OH OH о CH2OH ОН OH Он 2. The following test results were observed in a lab experiment: A reddish-orange solid with the Benedict' test A reddish precipitate with the Barfoed's test A red color within 1 minute with the Seliwanoff's test A yellow color with the iodine test Name the carbohydrate that you would expect to show these results. [Reminder: there is one more problem...
(5 Marks) B. Answer the questions based on the structures given below i. ii. нонс нонс...
(5 Marks) B. Answer the questions based on the structures given below i. ii. нонс нонс OH CH HOR OH HO CHOH CH, OH CH OH HO HOM H -OH CH, OH c. Identify the compounds ii, iii and iv as D or L. Explain how you came to this conclusion (2 marks) d. Draw the Fischer projection, enantiomer and indicate which carbons are chiral or achiral for the compound ii. (3 marks) e. Among the compounds iii and iv...
3. (2 pts) Use the Fischer projections shown below to answer the following questions. Reference Sugar...
3. (2 pts) Use the Fischer projections shown below to answer the following questions. Reference Sugar a) Which sugar is an epimer of the reference sugar? он ньон Нонн -он -он CH OH b) Which sugar is an enantiomer of the reference sugar? c) Name the reference sugar shown. 1) 2) 5) СОН сон он 9 1 HOH HO- нон } I I но- н нон нон нон CH OH Нон нон нон нон CH OH 5 + } н...
18. Which of the following compound(s) would undergo mutarotation in aqueous solution? 19. Draw the chair...
18.
Which of the following compound(s) would undergo mutarotation in
aqueous solution?
19. Draw the chair conformation of a-D-galactopyranose.
20. Which of the following compound(s) is a glycoside?
21. Provide the reagents neccesary to carry out the following
conversion.
22. Predict the product(s) for the following reaction.
23. D-glucose & D-galactose are ______epimers of each
other.
24. Predict the product(s) for the following reaction.
25. Which of the following compound(s) would produce D-glucose
and D-mannose when treated with HCN followed...
I need some help to answer these following questions. Thanks. 41. Which molecule(s) is/are aromatic? I1...
I need some help to answer these following questions.
Thanks.
41. Which molecule(s) is/are aromatic? I1 IV (A) I only (C) I, III, and IV (B) I and IV (D) I, II, III, and IV OH OH 42. Which Fischer projection represents this structure? HO OH OH H CHO CHO (A) H-OH (B) HOH HOH CH2OH CH2OH CHO HOH CHO но -н CH2OH CH2OH 43. Which is a product of this ozonolysis reaction? 1.03 2. (CH3)2S H O I BHs/THF...
Write the product(s) of the following reaction and answer questions a-d. CH2016 Disaccharide x H2O, HCI, 35°C HO HO OH -CH2OH ОН НО. OH a. Is Disaccharide x a reducing sugar? b. Does Disaccharide x undergo mutarotation? c. Does the Disaccharide x be digests by the human's ezymes? d. Write the common name of one of the product(s)
2) (13 Pts) Write the product(s) of the following reaction and answer questions a-d. CH2OH HO HO- OH Disaccharide x H2O, HCI, 35°C -CH2OH -ОН НО. OH a. Is Disaccharide x a reducing sugar? b. Does Disaccharide x undergo mutarotation? c. Does the Disaccharide x be digests by the human's ezymes? d. Write the common name of one of the product(s)
2) (13 Pts) Write the product(s) of the following reaction and answer questions a-d. CH2046 Disaccharide x H20, HCI, 35°C HO HO OH CH2OH -OH НО. OH a. Is Disaccharide x a reducing sugar? b. Does Disaccharide x undergo mutarotation? c. Does the Disaccharide x be digests by the human's ezymes? d. Write the common name of one of the product(s)
27 a) Mannobiose is a disaccharide of two units of D-mannose, shown below. Mannobiose consists of a a(1+6) linkage. Draw the structure of mannobiose. CHO HO -Н HO -H H- -ОН Н. -OH CH2OH b) Prepare the following compound from the starting material given and any necessary organic and/or inorganic reagents: from benzene and 1-propanol as the only source of carbon.
CARBOHYDRATES POST-LAB QUESTIONS CONT'D 23.Draw the Haworth structure of lactose and explain why this disaccharide gives a positive Benedict's test; make sure to circle the part of the structure that is responsible for the reaction with Benedict's reagent. [5pts) Haworth Projection: (2.5 points) Hemiacetal circled / indicated (2.5 points) CARBOHYDRATES POST-LAB QUESTIONS CONT'D 24. When Benedict's reagent reacts with a reducing sugar, it oxidizes the aldehyde functional group to a carboxylic acid. As seen in the figure below: only a...
Problems and questions 1. Is the following disaccharide a reducing sugar? Explain. сн-Oн OH OH OH о CH2OH ОН OH Он 2. The following test results were observed in a lab experiment: A reddish-orange solid with the Benedict' test A reddish precipitate with the Barfoed's test A red color within 1 minute with the Seliwanoff's test A yellow color with the iodine test Name the carbohydrate that you would expect to show these results. [Reminder: there is one more problem...
(5 Marks) B. Answer the questions based on the structures given below i. ii. нонс нонс OH CH HOR OH HO CHOH CH, OH CH OH HO HOM H -OH CH, OH c. Identify the compounds ii, iii and iv as D or L. Explain how you came to this conclusion (2 marks) d. Draw the Fischer projection, enantiomer and indicate which carbons are chiral or achiral for the compound ii. (3 marks) e. Among the compounds iii and iv...
3. (2 pts) Use the Fischer projections shown below to answer the following questions. Reference Sugar a) Which sugar is an epimer of the reference sugar? он ньон Нонн -он -он CH OH b) Which sugar is an enantiomer of the reference sugar? c) Name the reference sugar shown. 1) 2) 5) СОН сон он 9 1 HOH HO- нон } I I но- н нон нон нон CH OH Нон нон нон нон CH OH 5 + } н...
18.
Which of the following compound(s) would undergo mutarotation in
aqueous solution?
19. Draw the chair conformation of a-D-galactopyranose.
20. Which of the following compound(s) is a glycoside?
21. Provide the reagents neccesary to carry out the following
conversion.
22. Predict the product(s) for the following reaction.
23. D-glucose & D-galactose are ______epimers of each
other.
24. Predict the product(s) for the following reaction.
25. Which of the following compound(s) would produce D-glucose
and D-mannose when treated with HCN followed...
I need some help to answer these following questions.
Thanks.
41. Which molecule(s) is/are aromatic? I1 IV (A) I only (C) I, III, and IV (B) I and IV (D) I, II, III, and IV OH OH 42. Which Fischer projection represents this structure? HO OH OH H CHO CHO (A) H-OH (B) HOH HOH CH2OH CH2OH CHO HOH CHO но -н CH2OH CH2OH 43. Which is a product of this ozonolysis reaction? 1.03 2. (CH3)2S H O I BHs/THF...
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