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In this investigation I will get a number of unknown organic compounds to which I have to identify using a number of different chemical and physical techniques.
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Shama Lalji IDENTIFICATION OF AN ORGANIC UNKNOWN INTRODUCTION In this investigation I will get a number of unknown organic compounds to which I have to identify using a number of different chemical and physical techniques. The flow-chart below shows the chemical techniques I will use to identify the functional group of the unknowns. (1.TEST WITH UNIVERSAL INDICATOR) TURNS RED TURNS ANY OTHER COLOUR (2.TEST WITH BROMINE WATER) (3.TEST WITH 2,4 DNPH) (4.TEST WITH TOLLENS REAGENT) General safety procedures Always wear gloves and goggles when handling any unknown because some materials could be corrosive or an irritant. Be careful when disposing organic materials insure there is an organic waste beaker or bucket available. 1. Test unknown with Universal indicator PROCEDURE: Add several drops of the unknown substance to universal indicator inside a test tube using a pipette. OUTCOME: A colour change to red indicates either a carboxylic acid or phenol is present. Any other colour change...
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