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Concept explainers
(a)
Interpretation:
The structure of the methyl
Concept introduction:
Carbohydrates are a class of organic compounds. They can be present in the form of open chains or rings. They are usually an
The six membered ring form of carbohydrates is termed as pyranose. The five-membered ring form of carbohydrates is termed as furanose.
(b)
Interpretation:
The structure of theisopropyl
Concept introduction:
Carbohydrates are a class of organic compounds. They can be present in the form of open chains or rings.
They are usually an aldehyde or ketone with additional hydroxyl groups. They have the general molecular formula,
The six membered ring form of carbohydrates is termed as pyranose. This ring contains
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Chapter 24 Solutions
EBK ORGANIC CHEMISTRY
- In glycoside formation, the hemiacetal functional group of a cyclic monosaccharide is converted to an acetal group by reaction with a(an)arrow_forwardWhy can isomaltose be easily hydrolyzed through acid hydrolysis while trehalose cannot undergo acid hydrolysis?arrow_forwardIdentify the functional groups in (a) atorvastatin; (b) simvastatin.arrow_forward
- Regarding 4-O- (α-D-psychofuranosyl) -β-D-allopyranose. Please indicate the RIGHT alternative: (a) The disaccharide reacts with CH3OH in an acid medium to form a glycoside that cannot be oxidized with HNO3. (b) It is a reducing disaccharide only in basic medium. (c) In the structure there is only one glycosidic bond that is of the type β 1-O-4 ' (d) The hydrolysis products of this disaccharide do not show mutarrotation. (e) The disaccharide structure contains two six-membered rings.arrow_forwardHow many constitutional isomers are possible for a triglyceride containing one molecule each of palmitic acid, oleic acid, and stearic acid? (b) Which of these constitutional isomers are chiral?arrow_forwardDraw the structure of an example of each of the following types of lipids: (d) a soap (e) a detergentarrow_forward
- (a) Provide four distinct forms of phenylalanine. (b) Rank the solubility of these forms in water. (c) Explain your ranking.arrow_forwarda) Label all the O atoms that are part of a glycoside in rebaudioside A. Rebaudioside A, marketed under the trade name Truvia, is a sweet glycoside obtained from the stevia plant, which has been used for centuries in Paraguay to sweeten foods. (b) The alcohol or phenol formed from the hydrolysis of a glycoside is called an aglycon. What aglycon and monosaccharides are formed by the hydrolysis of rebaudioside A?arrow_forwardCellobiose, a disaccharide obtained by the hydrolysis of cellulose, is composed of two glucose units joined together in a 1→4-β-glycoside bond. What is the structure of cellobiose?arrow_forward
- (a) Give the omega designation for the following fatty acid: Но (b) Give the omega designation for the following fatty acid: HOarrow_forwardWhat glycosides are formed when each monosaccharide is treated with CH3CH2OH, HCl: (a) β-D-mannose; (b) α-D-gulose; (c) β-D-fructose?arrow_forwardAnswer the following :(i) Why is the use of aspartame limited to cold foods and drinks?(ii) How do antiseptics differ from disinfectants?(iii) Why do soaps not work in hard water?arrow_forward
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