Three-dimensional formulasare to be writtenfor each pair of enantiomers of those molecules that do have a chirality center. Concept introduction: The moleculesthatare nonsuperimposable or not identical with its mirror image are known as chiral molecules. The carbon at which all the four groups attached are different called as chiral carbon. Priority of the group attached to the chiral carbon will be given by Cahn–Ingold–Prelog system. A pair of two mirror images thatare nonidentical is known as enantiomers. The enantiomers in which the path traced from the highest priority group to the lowestpriority group is in anticlockwise direction are designated as S provided that lowest priority group is below the molecular plane. The enantiomers in which the path traced from the highest priority group to the lowestpriority group is in the clockwise direction are designated as R provided that lowest priority group is below the molecular plane. The objects or moleculesthatare superimposable with their mirror images are achiral objects or molecules, and these objects have a centre of symmetry or plane of symmetry. An imaginary plane through which a molecule is bisected in such a manner that the molecule is divided into two halves and these two halves are mirror images of each other is known as the plane of symmetry.

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Chapter 5, Problem 10PP

Interpretation Introduction

Interpretation:

Three-dimensional formulasare to be writtenfor each pair of enantiomers of those molecules that do have a chirality center.

Concept introduction:

The moleculesthatare nonsuperimposable or not identical with its mirror image are known as chiral molecules.

The carbon at which all the four groups attached are different called as chiral carbon. Priority of the group attached to the chiral carbon will be given by Cahn–Ingold–Prelog system.

A pair of two mirror images thatare nonidentical is known as enantiomers.

The enantiomers in which the path traced from the highest priority group to the lowestpriority group is in anticlockwise direction are designated as S provided that lowest priority group is below the molecular plane.

The enantiomers in which the path traced from the highest priority group to the lowestpriority group is in the clockwise direction are designated as R provided that lowest priority group is below the molecular plane.

The objects or moleculesthatare superimposable with their mirror images are achiral objects or molecules, and these objects have a centre of symmetry or plane of symmetry.

An imaginary plane through which a molecule is bisected in such a manner that the molecule is divided into two halves and these two halves are mirror images of each other is known as the plane of symmetry.

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