ALEKS 360 ACCESS CARD F/GEN. ORG.CHEM
3rd Edition
ISBN: 9781264452545
Author: SMITH
Publisher: MCG
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Question
Chapter 20, Problem 20.27P
Interpretation Introduction
(a)
Interpretation:
The structure of an L- aldopentose needs to be drawn.
Concept introduction:
Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldopentose is a five-carbon
Expert Solution
Answer to Problem 20.27P
Explanation of Solution
Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while in L- sugars, the OH group on the bottom chiral center points to the left. Aldopentose is a five-carbon aldehyde sugar. Xylose, Arabinose and Ribose are few examples.
Interpretation Introduction
(b)
Interpretation:
The structure of a D- tetrose needs to be drawn.
Concept introduction:
Sugar molecules can name as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. Aldotetrose is a four-carbon aldehyde sugar.
Expert Solution
Answer to Problem 20.27P
Explanation of Solution
Sugar molecules can be named as D or L sugars according to their most oxidized carbon at the top of the Fisher projection. The absolute configuration of a molecule can be explained using D and L configuration. In D- sugars, the OH group on the bottom chiral center points to the right while if L-sugars, the OH group on the bottom chiral center points to the left. Aldotetrose is a four-carbon aldehyde sugar.
Interpretation Introduction
(c)
Interpretation:
The structure of a five-carbon alditol needs to be drawn.
Concept introduction:
Alditols are polyols. Alditols can be produced by reducing an aldehyde or a
Expert Solution
Answer to Problem 20.27P
Explanation of Solution
Alditols are polyols. Alditols can be produced by reducing an aldehyde or a ketone group in a monosaccharide. In this reduction process, an aldehyde group or a ketone group converts into −CH2OH group. Xylitol is an example of an alditol.
For an example:
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Chapter 20 Solutions
ALEKS 360 ACCESS CARD F/GEN. ORG.CHEM
Ch. 20.1 - Label the hemiacetal carbonthe carbon bonded to...Ch. 20.1 - Prob. 20.2PCh. 20.1 - Prob. 20.3PCh. 20.1 - Prob. 20.4PCh. 20.1 - Prob. 20.5PCh. 20.2 - Prob. 20.6PCh. 20.2 - Prob. 20.7PCh. 20.2 - Prob. 20.8PCh. 20.2 - Prob. 20.9PCh. 20.2 - Prob. 20.10P
Ch. 20.3 - Prob. 20.11PCh. 20.3 - Prob. 20.12PCh. 20.4 - Prob. 20.13PCh. 20.4 - Prob. 20.14PCh. 20.4 - Prob. 20.15PCh. 20.4 - Prob. 20.16PCh. 20.4 - Prob. 20.17PCh. 20.4 - Prob. 20.18PCh. 20.5 - Lactose contains both an acetal and a hemiacetal....Ch. 20.5 - Prob. 20.20PCh. 20.5 - Prob. 20.21PCh. 20.6 - Prob. 20.22PCh. 20.6 - Prob. 20.23PCh. 20.7 - Prob. 20.24PCh. 20.7 - Prob. 20.25PCh. 20.8 - Prob. 20.26PCh. 20 - Prob. 20.27PCh. 20 - Prob. 20.28PCh. 20 - Prob. 20.29PCh. 20 - Prob. 20.30PCh. 20 - Prob. 20.31PCh. 20 - Prob. 20.32PCh. 20 - Prob. 20.33PCh. 20 - Prob. 20.34PCh. 20 - Prob. 20.35PCh. 20 - Prob. 20.36PCh. 20 - Prob. 20.37PCh. 20 - Prob. 20.38PCh. 20 - Prob. 20.39PCh. 20 - Prob. 20.40PCh. 20 - Prob. 20.41PCh. 20 - Prob. 20.42PCh. 20 - Prob. 20.43PCh. 20 - Prob. 20.44PCh. 20 - Prob. 20.45PCh. 20 - Prob. 20.46PCh. 20 - Prob. 20.47PCh. 20 - Prob. 20.48PCh. 20 - Prob. 20.49PCh. 20 - Prob. 20.50PCh. 20 - Prob. 20.51PCh. 20 - Prob. 20.52PCh. 20 - Prob. 20.53PCh. 20 - Prob. 20.54PCh. 20 - Prob. 20.55PCh. 20 - Prob. 20.56PCh. 20 - Prob. 20.57PCh. 20 - Prob. 20.58PCh. 20 - Prob. 20.59PCh. 20 - Prob. 20.60PCh. 20 - Prob. 20.61PCh. 20 - Prob. 20.62PCh. 20 - Prob. 20.63PCh. 20 - Prob. 20.64PCh. 20 - Prob. 20.65PCh. 20 - Prob. 20.66PCh. 20 - Prob. 20.67PCh. 20 - Prob. 20.68PCh. 20 - Prob. 20.69PCh. 20 - Prob. 20.70PCh. 20 - Prob. 20.71PCh. 20 - Prob. 20.72PCh. 20 - Prob. 20.73PCh. 20 - Prob. 20.74PCh. 20 - Prob. 20.75PCh. 20 - Prob. 20.76PCh. 20 - Prob. 20.77PCh. 20 - Prob. 20.78PCh. 20 - Prob. 20.79PCh. 20 - Prob. 20.80PCh. 20 - Prob. 20.81PCh. 20 - Prob. 20.82PCh. 20 - Prob. 20.83PCh. 20 - Prob. 20.84PCh. 20 - Prob. 20.85PCh. 20 - Prob. 20.86PCh. 20 - Prob. 20.87CPCh. 20 - Prob. 20.88CP
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