III. Give the expanded and condensed formula of the following: 1. 2,2 dimethylbutane 2,2 dimethylpropane www 3. 3,4 diethyl 2methylhexane 2.

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Stereochemistry and Isomerism

Stereochemistry deals with the three-dimensional structure and properties of molecules. It explains the arrangement of atoms and their manipulation within a molecule in a 3D structure. Stereochemistry can be dealt with all types of molecules. Based on the stereochemistry of a molecule, the physical and chemical properties of the molecules vary.