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in Haloalkanes and Haloarenes by (48.5k points)
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Explain the laboratory preparation of chloroform.

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Haloform reaction: 

Chloroform is prepared in the laboratory by the reaction between ethyl alcohol with bleaching powder followed by the distillation of the final product chloroform. Bleaching powder acts as a source of chlorine and calcium hydroxide. 

The reaction take place in 3 steps.

Step 1:

Oxidation-

Step 2: 

Chlorination-

Step 3: 

Hydrolysis

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