AL Chemistry Experiment Report Sheet

Experiment 37: Reactions of Aldehydes and Ketones

 

Name: ___________________ (       )                                                Form 6 S

 

Results

Test		Observations
		Ethanal	Propanone
A.	Addition reaction with sodium hydrogensulphite
B.	Condensation reaction with 2,4-dinitrophenylhydrazine
C.	Oxidation reactions
	(a) acidified dichromate(VI)
	(b) Fehling’s solution
	(c) Tollens’ reagent
D.	Triiodomethane reaction

 

Questions

1.   Which tests serve to distinguish between ethanal and propanone?

 

      _____________________________________________________________________

 

      _____________________________________________________________________

 

2.   Which reagent could be used as a general test for a carbonyl compound?

 

      _____________________________________________________________________

 

      _____________________________________________________________________

 

The End