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Haloalkanes and Haloarenes

Short Answer Type

101. Why halogens delocalize electrons in the benzene ring in the order F > Cl > Br > I?

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102.

An organic compound ‘A’ on treatment with KCN gave B which on hydrolysis with dil. HCl gave active acid. Identify ‘A’.

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103.

Write the chemical equations for the conversion of chloroform to acetic acid.

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104.

What happens when chloroform reacts with concentrated nitric acid?

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105.

How would you bring about the following conversion: 1-butane to 1-chloro butane?

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106.
The use of chloroform as anaesthesia is decreasing. why?

The use of chloroform as anaesthesia is decreasing because inhaling chloroform vapours depresses the central nervous system.Breathing about 900 parts of chloroform per million parts of air (900 parts per million) for a short time can cause dizziness,

fatigue, and headache.

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107.

Write the structural formula of 1-bromo-2, 2-dimethyl propane.

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108.

Write a convenient method of preparation of iodoalkanes.

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109.

Complete the question:
$straight C subscript 6 straight H subscript 5 CH subscript 3 plus Cl subscript 2 space space space rightwards arrow with 383 space straight K comma space s u n l i g h t on top$