Concept explainers
(a)
Interpretation: The glycosidic linkages of the stachyose are to be labeled.
Concept introduction: Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. These small units are joined together by glycoside linkage.
(b)
Interpretation: Each glycosidic linkages of the stachyose are to be classified as
Concept introduction: Monosaccharides are the small units of simple sugars. Polysaccharides are made up of small units of monosaccharides. These small units are joined together by glycoside linkage.
(c)
Interpretation: The products formed on hydrolysis of stachyose are to be predicted.
Concept introduction: Glycosidic linkages are hydrolyzed in presence of acid to form cyclic hemiacetal and corresponding alcohol. Acetals in the presence of acid undergo hydrolysis to form cyclic hemiacetals.
(d)
Interpretation: The validation to the corresponding fact that whether stachyose is reducing sugar or not is to be stated.
Concept introduction: The reducing sugars contain hemiacetal and they undergo mutarotation. These sugars are in equilibrium with cyclic monosaccharide forms.
(e)
Interpretation: The product formed on treatment of stachyose with excess
Concept introduction: The hydroxyl groups of monosaccharides are converted into the ether groups in presence of base and
(f)
Interpretation: The product formed on treatment of product in (e) with
Concept introduction: Glycosidic linkages are hydrolyzed in presence of acid to form cyclic hemiacetal and corresponding alcohol. Acetals in the presence of acid undergo hydrolysis to form cyclic hemiacetals.
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Chapter 26 Solutions
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- Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoOrganic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage LearningIntroduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning
- Introductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage LearningChemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning
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