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Chapter 26, Problem 93IAE
Interpretation Introduction

(a)

Interpretation:

The R or S configuration to each of the chiral C atom in the given structure is to be assigned.

General Chemistry: Principles and Modern Applications - With Solutions Manual and Modified MasteringChemistry Code, Chapter 26, Problem 93IAE , additional homework tip  1

Concept introduction:

Enantiomers are optical isomers which can rotate the plane polarized light either clockwise or anticlockwise. These molecules must have at least one chiral C atom which is bonded with four different groups. They are assigned by R and S configuration. The R/S naming follows the Cahn-Ingold-Prelog Rules for naming the enantiomer as R or S-enantiomer. According to Cahn-Ingold-Prelog Rules assign the numbers from 1 to 4 to the groups bonded with chiral C atom on the basis of their molar mass. The essential condition is that the 4th group or atom must be below the plane means with dash line. If 1(2(3 is clockwise it will be R-configuration and if it is anticlockwise it will be S-configuration.

If the 4th number group is in plane then follow these steps.

  • Swap the 4 group with the group with dash line
  • Assign R/S configuration with clockwise or anticlockwise movement
  • Flip the configuration to get the real configuration.

If the 4th number group is in above the plane shown by wedge line then follow these steps.

  • Swap the 4 group with the group with dash line.
  • Assign R/S configuration with clockwise or anticlockwise movement.

Interpretation Introduction

(b)

Interpretation:

The R or S configuration to each of the chiral C atom in the given structure should be assigned.

General Chemistry: Principles and Modern Applications - With Solutions Manual and Modified MasteringChemistry Code, Chapter 26, Problem 93IAE , additional homework tip  2

Concept introduction:

Enantiomers are optical isomers which can rotate the plane polarized light either clockwise or anticlockwise. These molecules must have at least one chiral C atom which is bonded with four different groups. They are assigned by R and S configuration. The R/S naming follows the Cahn-Ingold-Prelog Rules for naming the enantiomer as R or S-enantiomer. According to Cahn-Ingold-Prelog Rules assign the numbers from 1 to 4 to the groups bonded with chiral C atom on the basis of their molar mass. The essential condition is that the 4th group or atom must be below the plane means with dash line. If 1(2(3 is clockwise it will be R-configuration and if it is anticlockwise it will be S-configuration.

If the 4th number group is in plane then follow these steps.

  • Swap the 4 group with the group with dash line
  • Assign R/S configuration with clockwise or anticlockwise movement
  • Flip the configuration to get the real configuration.

If the 4th number group is in above the plane shown by wedge line then follow these steps.

  • Swap the 4 group with the group with dash line.
  • Assign R/S configuration with clockwise or anticlockwise movement.

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Chapter 26 Solutions

General Chemistry: Principles and Modern Applications - With Solutions Manual and Modified MasteringChemistry Code

Ch. 26 - Prob. 11ECh. 26 - Prob. 12ECh. 26 - Identify the chiral carbon atoms, ¡f any, in the...Ch. 26 - Prob. 14ECh. 26 - Identify the chiral carbon atoms, ¡f any, in the...Ch. 26 - Prob. 16ECh. 26 - Prob. 17ECh. 26 - Prob. 18ECh. 26 - Prob. 19ECh. 26 - By name or formula, give one example of each of...Ch. 26 - Prob. 21ECh. 26 - Prob. 22ECh. 26 - Prob. 23ECh. 26 - Prob. 24ECh. 26 - Prob. 25ECh. 26 - Prob. 26ECh. 26 - Prob. 27ECh. 26 - Prob. 28ECh. 26 - Prob. 29ECh. 26 - Prob. 30ECh. 26 - Prob. 31ECh. 26 - Prob. 32ECh. 26 - Prob. 33ECh. 26 - Prob. 34ECh. 26 - Does each of the following names convey sufficient...Ch. 26 - Prob. 36ECh. 26 - Prob. 37ECh. 26 - Supply condensed structural formulas for the...Ch. 26 - Prob. 39ECh. 26 - Prob. 40ECh. 26 - Classify the carbon atoms in, a. methylbutane, and...Ch. 26 - Classity the carbon atoms in a....Ch. 26 - Prob. 43ECh. 26 - Draw Newman projections for the staggered and...Ch. 26 - Draw the most stable conformation for the molecule...Ch. 26 - Prob. 46ECh. 26 - Prob. 47ECh. 26 - Prob. 48ECh. 26 - Prob. 49ECh. 26 - Prob. 50ECh. 26 - Prob. 51ECh. 26 - Prob. 52ECh. 26 - Prob. 53ECh. 26 - Prob. 54ECh. 26 - Prob. 55ECh. 26 - Prob. 56ECh. 26 - Draw suitable structural formulas to show that...Ch. 26 - Which of the following pairs of molecules are...Ch. 26 - Prob. 59ECh. 26 - Prob. 60ECh. 26 - Name the following molecules with the appropriate...Ch. 26 - Name the following molecules with the appropriate...Ch. 26 - Name the following molecules with the appropriate...Ch. 26 - Prob. 64ECh. 26 - Draw the structure for each of the following. a....Ch. 26 - Prob. 66ECh. 26 - Prob. 67ECh. 26 - Prob. 68ECh. 26 - Prob. 69ECh. 26 - Prob. 70ECh. 26 - Prob. 71ECh. 26 - Prob. 72ECh. 26 - Prob. 73ECh. 26 - Prob. 74ECh. 26 - Supply condensed or structural formulas for the...Ch. 26 - Prob. 76IAECh. 26 - Prob. 77IAECh. 26 - Prob. 78IAECh. 26 - Prob. 79IAECh. 26 - Prob. 80IAECh. 26 - Combustion of a 0.1908 g sample of a compound gave...Ch. 26 - Prob. 82IAECh. 26 - In the monochiorination of hydrocarbons, a...Ch. 26 - A particular colorless organic liquid is known to...Ch. 26 - Prob. 85IAECh. 26 - Give the systematic names, including any...Ch. 26 - Prob. 87IAECh. 26 - Prob. 88IAECh. 26 - Levomethadyl acetate (shown below) is used in the...Ch. 26 - Thiamphenicol (shown below) is an antibacterial...Ch. 26 - Prob. 91IAECh. 26 - Prob. 92IAECh. 26 - Prob. 93IAECh. 26 - Prob. 94IAECh. 26 - Prob. 95IAECh. 26 - For each of the following molecules (a) draw the...Ch. 26 - Prob. 97FPCh. 26 - Prob. 98SAECh. 26 - Explain the important distinctions between each...Ch. 26 - Describe the characteristics of each of the...Ch. 26 - The compound isoheptane is best represented by the...Ch. 26 - Prob. 102SAECh. 26 - Prob. 103SAECh. 26 - Prob. 104SAECh. 26 - Assign configurations, R or S, to the chiral...Ch. 26 - Consider the following pairs of structures In each...Ch. 26 - Prob. 107SAECh. 26 - Prob. 108SAECh. 26 - Prob. 109SAECh. 26 - Prob. 110SAECh. 26 - Prob. 111SAE
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