19. Which of the following compounds will undergo oxidation using potassium dichromate to form a carboxylic acid? H. A B a. A and B only b. A and C only c. B only d. C only 20. The reaction of which combination of reactants result in the formation of a hemiacetal? a. aldehyde and alcohol c. aldehyde and carboxylic acid b. aldehyde and amine d. aldehyde and water 21. Which of the following is true of hemiacetals? a. The most stable hemiacetals are noncyclic. b. The most stable hemiacetals have four- or five-membered rings. c. The most stable hemiacetals have five- or six-membered rings. d. The most stable hemiacetals contain no OH groups. 22. Which type of biologically important molecules includes many cyclic hemiacetals? a. carbohydrates c. Proteins b. lipids d. none of these

19. Which of the following compounds will undergo oxidation using potassium dichromate to form a carboxylic acid? H. A B a. A and B only b. A and C only c. B only d. C only 20. The reaction of which combination of reactants result in the formation of a hemiacetal? a. aldehyde and alcohol c. aldehyde and carboxylic acid b. aldehyde and amine d. aldehyde and water 21. Which of the following is true of hemiacetals? a. The most stable hemiacetals are noncyclic. b. The most stable hemiacetals have four- or five-membered rings. c. The most stable hemiacetals have five- or six-membered rings. d. The most stable hemiacetals contain no OH groups. 22. Which type of biologically important molecules includes many cyclic hemiacetals? a. carbohydrates c. Proteins b. lipids d. none of these

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter6: Types Of Chemical Reactions And Solution Stoichiometry

Section: Chapter Questions

Problem 134CP

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