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Question

Schiff's reagent gives pink colour with:

A
Acetone
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B
Acetaldehyde
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C
Ethyl alcohol
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D
Methyl acetate
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Solution

The correct option is B Acetaldehyde

The Schiff test is an early organic chemistry name reaction developed by Hugo Schiff, and is a relatively general chemical test for detection of many organic aldehydes that has also found use in the staining of biological tissues.

In its use as a qualitative test for aldehydes, the unknown sample is added to the decolorized Schiff reagent; when aldehyde is present a characteristic magenta color develops.


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