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HINSBERG TEST, Darija Gazdek, 4.d - Coggle Diagram
HINSBERG TEST
procedure
1°, 2° and 3° amines in 3 test tubes
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conclusion
Secondary amine reacts with sodium hydroxide and benzene sulphonyl chloride to form insoluble sulphonamide. The insoluble sulphonamide formed in test tube B will not react with concentrated hydrochloric acid.
Tertiary amine will not react with benzene sulphonyl chloride, but it is insoluble in sodium hydroxide.The insoluble amine reacts with concentrated hydrochloric acid to form soluble ammonium salt.
Primary amine reacts with sodium hydroxide and benzene sulphonyl chloride to form soluble sulphonamide salt. Soluble sulphonamide salt will react with concentrated hydrochloric acid to form insoluble sulphonamide.
observations
test tube 1
after cooling: clear, colorless
after adding HCl: white, opaque
test tube 2
after cooling: blurry, whitish
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test tube 3
after cooling: white, opaque
after adding HCl: clear, colorless
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