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How Can You Distinguish Between Propanal and Propanone? - CBSE (Science) Class 12 - Chemistry

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Question

How can you distinguish between propanal and propanone?

Solution

Propanal Propanone
It forms silver mirror on reaction with Tollen's reagent. It is not oxidised by Tollen's reagent.
It does not react with iodoform. It gives positive iodoform test.      
On reacting with Schiff's reagent, it gives pink colour. It does not react with Schiff's reagent.

 

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Solution How Can You Distinguish Between Propanal and Propanone? Concept: Introduction of Aldehydes, Ketones and Carboxylic Acids.
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