Organic Chemistry (8th Edition)
8th Edition
ISBN: 9780134042282
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Question
Chapter 20, Problem 56P
Interpretation Introduction
Interpretation:
The method to determine which bottle contains D-lyxose is to be stated.
Concept Introduction:
Dilute nitric acid is a strong oxidizing agent. It is used to oxidize
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Name an aldohexose other than d-glucose that is oxidized to d-glucaric acid by nitric acid. a. What is another name for d-glucaric acid? b. Name another pair of aldohexoses that are oxidized to identical aldaric acids.
Identify the sugar in each description. a. An aldopentose that is not d-arabinose forms d-arabinitol when it is reduced with NaBH4. b. A sugar that is not D-altrose forms d-altraric acid when it is oxidized with nitric acid. c. A ketose that, when reduced with NaBH4, forms d-altritol and d-allitol.
When D-glucose is reduced with sodium borohydride,optically active glucitol results but when optically D-galactose is reduced ,the product is inactive why?
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
- Name an aldohexose other than d-glucose that is oxidized to d-glucaric acid by nitric acid.arrow_forwardSugar X is known to be a d-aldohexose. On oxidation with HNO3, X gives an optically inactive aldaric acid. WhenX is degraded to an aldopentose, oxidation of the aldopentose gives an optically active aldaric acid. Determine thestructure of Xarrow_forwardstarting with a fischer projection of d-fructose write questions showing the formation of a D fructopyranose, a D-frutoranose, and B-D fructoruranosearrow_forward
- Which of the following is FALSE? a. D-altrose and D-talose have the same osazones. b. D-glucose and D-galactose have different osazones. c. Trioses and tetroses cannot form the furfural derivatives because of their inability to form the 5-membered ring. d. Barfoed’s reagent, a weaker oxidizing agent than Benedict’s reagent, can only oxidize monosaccharides.arrow_forwardWhen glucose undergoes base-catalyzed isomerization in the absence of the enzyme, mannose is one of the products that is formed. Why is mannose not formed in the enzyme-catalyzed reaction?arrow_forwardDraw the mechanism for the formation of b-lactose from α-d-galactose and β-d-glucose in dilute HCl.arrow_forward
- Draw the product of reaction when D-glucose is reducted?arrow_forwardWhich of the following are reducing sugars? Comment on the common name sucrosefor table sugar.(a) methyl a-d-galactopyranoside (b) b-l-idopyranose (an aldohexose)(c) a-d-allopyranose (d) ethyl b-d-ribofuranosidearrow_forwardWhat structures are produced by the epimerization of galactose?arrow_forward
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