Chemistry for Today: General, Organic, and Biochemistry

9th Edition

ISBN: 9781305960060

Author: Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Publisher: Cengage Learning

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Concept explainers

Carbohydrates

Carbohydrates are the organic compounds that are obtained in foods and living matters in the shape of sugars, cellulose, and starch. The general formula of carbohydrates is Cn(H2O)2. The ratio of H and O present in carbohydrates is identical to water.

Starch

Starch is a polysaccharide carbohydrate that belongs to the category of polysaccharide carbohydrates.

Mutarotation

The rotation of a particular structure of the chiral compound because of the epimerization is called mutarotation. It is the repercussion of the ring chain tautomerism. In terms of glucose, this can be defined as the modification in the equilibrium of th…

L Sugar

A chemical compound that is represented with a molecular formula C6H12O6 is called L-(-) sugar. At the carbon’s 5th position, the hydroxyl group is placed to the compound’s left and therefore the sugar is represented as L(-)-sugar. It is capable of rotat…

Question

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 17, Problem 17.15E

Interpretation Introduction

(a)

Interpretation:

The number of chiral carbon atoms is to be stated in the sugar molecule. The total number of stereoisomers for the sugar molecule is to be stated.

Concept introduction:

Carbohydrates are naturally occurring compounds. Carbohydrates are polyhydroxy aldehydes and ketones.

A carbon atom that has four nonequivalent atoms or groups attached to it is known as chiral carbon atom. Chiral carbon centers are also called as asymmetric or stereogenic centers.

Interpretation Introduction

(b)

Interpretation:

The number of chiral carbon atoms is to be stated in the sugar molecule. The total number of stereoisomers for the sugar molecule is to be stated.

Concept introduction:

Carbohydrates are naturally occurring compounds. Carbohydrates are polyhydroxy aldehydes and ketones.

A carbon atom that has four nonequivalent atoms or groups attached to it is known as chiral carbon atom. Chiral carbon centers are also called as asymmetric or stereogenic centers.

Expert Solution & Answer

Chapter 17 Solutions

Chemistry for Today: General, Organic, and Biochemistry

Ch. 17 - Prob. 17.1E Ch. 17 - Describe whether each of the following substances...Ch. 17 - Prob. 17.3E Ch. 17 - Prob. 17.4E Ch. 17 - Prob. 17.5E Ch. 17 - Why are carbon atoms 1 and 3 of glyceraldehyde not...Ch. 17 - Prob. 17.7E Ch. 17 - Which of the following molecules can have...Ch. 17 - Which of the following molecules can have...Ch. 17 - Prob. 17.10E

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