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Bromine Test
Alkenes and alkenes
Br2/CCl4
Disappearance of brown
Baeyer Test
Alkenes and alkynes
Dilute KMnO4
Disappearance of brown, formation of brown precipitate
Silver Nitrate in Alcohol
Alkyl halides
AgNO3
Precipitate formation
Iodoform Test
Methyl ketones
I2/NaOH
Yellow precipitate formation
Tollens’ Test
Aldehydes
Ag2O/NH3 or Ag(NH3)2+
Silver mirror
Lucas Test
Secondary, tertiary, benzylic alcohols
ZnCl2/HCl
Cloudy solution formed
Jones Test
Primary and secondary alchohols
CrO3/H2SO2
Blue-green colour forms
Carboxylic acid IR signal
2500 - 3500 cm-1, broad jagged
Nitrile IR signal
2200 - 2250 cm-1, medium peak
Aromatic C=C IR signal
1450 - 1600 cm-1, medium peak
Fingerprint region
400 - 1500 cm-1