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Haloalkanes and Haloarenes

Haloalkanes: Nomenclature, nature of C-X bond, physical and chemical properties, mechanism of substitution reactions, optical rotation. Haloarenes: Nature of C -X bond, substitution reactions (Directive influence of halogen in monosubstituted compounds only. Uses and environmental effects of - dichloromethane, trichloromethane, tetrachloromethane, iodoform freons, DDT.

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Polyhalogen Compounds

Polyhalogen Compounds Carbon compounds containing more than one halogen atom are known as polyhalogen compounds. For example: CFCl3, CH2Cl2 etc. Some important polyhalogen compounds are described...
chemistry 12th class cbse notes

Chemical Reactions of Halides

Chemical Reactions of Halides The reaction of haloalkanes: The reactions of haloalkanes may be divided into the following categories: Nucleophilic substitution: A nucleophile attacks...
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Physical Properties of Halides

Physical Properties of Halides Alkyl halides are colourless when pure. However, bromides and iodides develop colour when exposed to light. Many volatile halogen compounds...
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Methods of Preparation of Haloalkanes and Haloarenes

Methods of Preparation of Haloalkanes and Haloarenes From Alcohols The hydroxyl group of an alcohol is replaced by halogen on reaction with concentrated halogen acids, phosphorus...
chemistry 12th class cbse notes

Nature of C-X Bond

Nature of C-X Bond X is more electronegative than carbon. So, the C-X bond is polarized with C having a partial positive charge and X...
chemistry 12th class cbse notes

Nomenclature of Haloalkanes and Haloarenes

The common names of alkyl halides are derived by naming the alkyl group followed by the halide. Alkyl halides are named as halo-substituted hydrocarbons...
chemistry 12th class cbse notes

Introduction & Classification of Haloalkanes

In aliphatic or aromatic compounds, the replacement of hydrogen atom(s) by halogen atom(s) results in the formation of alkyl halide (haloalkane) and aryl halide...