CBSE Class 12-science Answered
what is Liebermannsnitrosobromo reaction
Asked by | 08 Jun, 2008, 08:45: PM
Libermann’s nitroso reaction: The yellow oily nitrosamines when heated with phenol and a few drops of conc. H2SO4 give a green solution. When the green solution is made alkaline with NaOH ,the colour of the solution changes to deep blue. On diluting the blue coloured solution, the colour again changes to red.
C6H5OH+H2SO4 NaOH Dilution
N-nitsoamine
green solution
deep blue
red solution
This reaction is called Libermann’s nitroso reaction and is used as atest for secondary amine.
Answered by | 05 Jul, 2008, 11:04: AM
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