Organic Chemistry (8th Edition)
8th Edition
ISBN: 9780134042282
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Question
Chapter 20.15, Problem 29P
Interpretation Introduction
Interpretation:
The specific rotation of an equilibrium mixture of fructose with the given optical
Concept Introduction:
Glucose and fructose are the structural isomers having same molecular formula but different structural formula. These are the types of sugars containing same orientation of hydroxyl groups attached to it.
Specific rotation is the measure of extent of rotation occurs in the molecule by passing a plane polarized light from its solution.
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The specific rotation of a-d-glucose is +112.2.
Q.) What is the specific rotation of a-l-glucose?
What is the specific rotation of an equilibrium mixture of fructose?
Draw the Fisher projections of D-glucose, galactose, mannose, and fructose. Highlight the differences between glucose and each structure
Chapter 20 Solutions
Organic Chemistry (8th Edition)
Ch. 20.1 - Prob. 1PCh. 20.2 - Prob. 2PCh. 20.2 - Prob. 3PCh. 20.3 - Prob. 4PCh. 20.3 - Prob. 5PCh. 20.3 - Prob. 6PCh. 20.4 - Prob. 7PCh. 20.4 - Prob. 8PCh. 20.5 - Prob. 9PCh. 20.5 - Prob. 10P
Ch. 20.5 - Prob. 11PCh. 20.6 - Prob. 12PCh. 20.6 - Prob. 13PCh. 20.6 - Prob. 14PCh. 20.7 - Prob. 15PCh. 20.8 - Prob. 16PCh. 20.9 - Prob. 18PCh. 20.10 - Prob. 20PCh. 20.10 - Prob. 21PCh. 20.10 - Prob. 22PCh. 20.11 - Prob. 23PCh. 20.11 - Prob. 24PCh. 20.12 - Prob. 25PCh. 20.12 - Prob. 26PCh. 20.14 - Prob. 28PCh. 20.15 - Prob. 29PCh. 20.15 - Prob. 30PCh. 20.16 - Prob. 31PCh. 20.17 - Prob. 32PCh. 20.18 - Refer to Figure 20.5 to answer the following...Ch. 20 - Prob. 34PCh. 20 - Prob. 35PCh. 20 - Prob. 36PCh. 20 - Prob. 37PCh. 20 - Prob. 38PCh. 20 - Prob. 39PCh. 20 - Prob. 40PCh. 20 - Prob. 41PCh. 20 - Prob. 42PCh. 20 - Prob. 43PCh. 20 - Prob. 44PCh. 20 - Prob. 45PCh. 20 - Prob. 46PCh. 20 - Prob. 47PCh. 20 - Prob. 48PCh. 20 - The 1H NMR spectrum of D-glucose in D2O exhibits...Ch. 20 - Prob. 50PCh. 20 - Prob. 51PCh. 20 - Prob. 52PCh. 20 - Prob. 53PCh. 20 - Prob. 54PCh. 20 - Prob. 55PCh. 20 - Prob. 56PCh. 20 - Prob. 57PCh. 20 - Prob. 58PCh. 20 - Prob. 59PCh. 20 - Prob. 60PCh. 20 - Prob. 61PCh. 20 - A hexose is obtained when the residue of a shrub...Ch. 20 - Prob. 63PCh. 20 - Prob. 64PCh. 20 - Prob. 65PCh. 20 - Prob. 66PCh. 20 - Prob. 67PCh. 20 - Prob. 68PCh. 20 - Prob. 69PCh. 20 - Prob. 70PCh. 20 - Prob. 71PCh. 20 - Prob. 72PCh. 20 - Prob. 73P
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- A pentose if it has 5 C's; What are these ?arrow_forwardAnswer the following questions about the eight aldopentoses: Which are enantiomers?arrow_forwardHoney bees collect nectar which is approximately 10% sucrose and convert it into honey (a concentrated solution of about 40% each of glucose and fructose). They do this conversion by mixing the nectar with the salivary enzyme invertase then busily aerating and fanning the solution to drive off water. Given the specific rotation of sucrose (+66.5°), glucose (+52.7°) and fructose (-92°). Calculate the rotation that accomplishes honey productionarrow_forward
- Please draw Haworth projections of the following sugars: D-fructose, D-galactose, D-glucose, D-allose, sucrose, and maltose.arrow_forwardThe specific rotation of α-d-galactose is 150.7 and that of β-d-galactose is 52.8. When an aqueous mixture that was initially 70% α-d-galactose and 30%β-d-galactose reaches equilibrium, the specific rotation is 80.2. What is the percentage of α-d-galactose and β-d galactose at equilibrium?arrow_forwardDefine the following terms a. Aldose b. ketose c. Aldohexose d. Ketohexosearrow_forward
- classify the following monosaccharides as aldoses/ketoses, triose/tetrose/pentose/hexose/ L/D enantiomer, and a-/Banomer when applicable.arrow_forwardWrite the Fischer projection for fructose and assign R, S designation for each chiral carbon. (Please write the answer neatly)arrow_forwardStachyose is an oligosaccharide found in high concentrations of beans. Stachyose is composed of alpha-D-galactopyranosyl-(1-6)-alpha-D-galactopyranosyl-(1-6)-alpha-D-glucopyranosyl-(1-2)beta-D- fructofuranose . Draw the structure of stachyose using Haworth projections.arrow_forward
- Classify the following sugars as reducing or non-reducing. a. maltose b. galactose c. arabinose d. sucrose e. lactose f. fructose g. ribose h. cellobiose i. mannose j. gulosearrow_forwardClassify below pair of compounds as enantiomers, epimers, diastereomers but not epimers, or constitutional isomers of each other. L-sorbose and L-tagatosearrow_forward
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