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Question

Unsaturation in the organic compound can be tested by the help of :

A
Fehling's solution
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B
Chlorine water
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C
Baeyer's test
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D
Dehydration reaction
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Solution

The correct option is C Baeyer's test
Baeyer's reagent is used in organic chemistry as a qualitative test for the presence of unsaturation, such as double and triple bonds. It is an alkaline solution of cold potassium permanganate which is a powerful oxidant making this a redox reaction. The reaction with double/triple bonds causes it to change colour from purplish-pink to brown.

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