Filters
Question type
Study Flashcards

The Kiliani-Fischer synthesis (below) gives which two C-2 epimers? The Kiliani-Fischer synthesis (below) gives which two C-2 epimers? A) allose/altrose B) gulose/idose C) glucose/mannose D) galactose/talose E) sucrose/fructose


A) allose/altrose
B) gulose/idose
C) glucose/mannose
D) galactose/talose
E) sucrose/fructose

Correct Answer

verifed

verified

D-Glucose units joined by beta-1,4?-glycosidic linkages are not digestible by humans because____________.


A) humans lack the enzyme necessary to hydrolyze this linkage
B) all groups being equatorial in the glucose rings make the chains too stable to digest
C) it is a glycoside and, therefore, indigestible
D) it is unbranched and, therefore, indigestible
E) all the above

Correct Answer

verifed

verified

Which of the following terms best describes an aldohexose? 1) A monosaccharide 2) A disaccharide 3) An aldehyde 4) A complex carbohydrate


A) 1 and 3
B) 2 and 3
C) 2 and 4
D) 1, 3, and 4
E) 2, 3, and 4

Correct Answer

verifed

verified

A

Which of the following D-hexoses can be converted to D-ribose by a Wohl degradation?


A) D-allose
B) D-glucose
C) D-galactose
D) D-talose
E) C and D

Correct Answer

verifed

verified

Which D-aldohexose in its beta-D-pyranose form has only one OH group in the axial position?


A) D-allose
B) D-galactose
C) D-gulose
D) D-iodose
E) D-talose

Correct Answer

verifed

verified

Which of the following is a reducing sugar?


A) Which of the following is a reducing sugar? A) B) C) D) E) all of the above
B) Which of the following is a reducing sugar? A) B) C) D) E) all of the above
C) Which of the following is a reducing sugar? A) B) C) D) E) all of the above
D) Which of the following is a reducing sugar? A) B) C) D) E) all of the above
E) all of the above

Correct Answer

verifed

verified

D

D and L notations used in describing the stereochemistry of carbohydrates ____________.


A) are directly related to the R and S notation.
B) are directly related to the (+) and (?) notation.
C) are used to describe the asymmetric carbon farthest from the carbonyl group
D) are directly related to how the molecule rotates plane-polarized light
E) are used to describe the uppermost asymmetric carbon atom

Correct Answer

verifed

verified

Which of the following carbohydrates is D-glucose?


A) Which of the following carbohydrates is D-glucose? A) B) C) D) E)
B) Which of the following carbohydrates is D-glucose? A) B) C) D) E)
C) Which of the following carbohydrates is D-glucose? A) B) C) D) E)
D) Which of the following carbohydrates is D-glucose? A) B) C) D) E)
E) Which of the following carbohydrates is D-glucose? A) B) C) D) E)

Correct Answer

verifed

verified

How many stereoisomeric D-2-ketohexoses are possible?


A) 1
B) 2
C) 3
D) 4
E) 5

Correct Answer

verifed

verified

Which of the following Haworth projections is ?-D-glucose?


A) Which of the following Haworth projections is ?-D-glucose? A) B) C) D) E)
B) Which of the following Haworth projections is ?-D-glucose? A) B) C) D) E)
C) Which of the following Haworth projections is ?-D-glucose? A) B) C) D) E)
D) Which of the following Haworth projections is ?-D-glucose? A) B) C) D) E)
E) Which of the following Haworth projections is ?-D-glucose? A) B) C) D) E)

Correct Answer

verifed

verified

B

Which reagent(s) will selectively react with aldoses but will not react with ketoses?


A) Br2/H2O
B) Ag+, NH3, HO?
C) HNO3
D) A and B
E) B and C

Correct Answer

verifed

verified

Showing 1 - 11 of 11

Related Exams

Exam 1

Remembering General Chemistry Electronic Structure and Bonding

4 Questions

Exam 2

Acids and Bases Central to Understanding Organic Chemistry

10 Questions

Exam 3

An Introduction to Organic Compounds Nomenclature, Physical Properties, and Structure

10 Questions

Exam 4

Isomers the Arrangement of Atoms in Space

11 Questions

Exam 5

Alkenes Structure, Nomenclature, and an Introduction to Reactivity Thermodynamics and Kinetics

8 Questions

Exam 6

The Reactions of Alkenes the Stereochemistry of Addition Reactions

10 Questions

Exam 7

The Reactions of Alkynes an Introduction Tomultistep Synthesis

12 Questions

Exam 8

Delocalized Electrons Their Eff

11 Questions

Exam 9

Substitution and Elimination Reactions of Alkyl Halides

11 Questions

Exam 10

Reactions of Alcohols, Ethers,epoxides, Amines, and Sulfur-Containing Compounds

10 Questions

Exam 11

Organometallic Compounds

10 Questions

Exam 12

Radicals

10 Questions

Exam 13

Mass Spectrometry Infrared Spectroscopy Uv Vis Spectroscopy

10 Questions

Exam 14

Nmr Spectroscopy

12 Questions

Exam 15

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

12 Questions

Exam 16

Reactions of Aldehydes and Ketones More Reactions of Carboxylic Acid Derivatives

11 Questions

Exam 17

Reactions at the Α-Carbon

9 Questions

Exam 18

Reactions of Benzene and Substituted Benzenes

11 Questions

Exam 19

More About Amines Reactions of Heterocyclic Compounds

11 Questions

Exam 21

Amino Acids, Peptides, and Proteins

11 Questions

Exam 22

Catalysis in Organic Reactions and in Enzymatic Reactions

10 Questions

Exam 23

The Organic Chemistry of the Coenzymes,compounds Derived From Vitamins

11 Questions

Exam 24

The Organic Chemistry of the Metabolic Pathways

11 Questions

Exam 25

The Organic Chemistry of Lipids

7 Questions

Exam 26

The Chemistry of the Nucleic Acids

9 Questions

Exam 27

Synthetic Polymers

11 Questions

Exam 28

Pericyclic Reactions

11 Questions

Show Answer