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Determining the Unknown.docx

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Department
Chemistry
Course
CHEM 2020
Professor
Rajeshwari Iyer
Semester
Winter

Description
Feb, 17, 2013 Determining the Unknown Name of test Reaction is positive if Bromine test under the dark (for the Turn clear presence of a double bond) Bromine test under the light (radical, for Acidic litmus paper indicate a positive the presence of an alkane) test AlCl3/CHCl3 (for aromatic only) Turns blue 2,4-dinitrophenylhydrazine (for the Forms orange-yellow precipitate presence of a carbonyl, [ketone or aldehyde, or carboxylic acid]). {alcohols do not react here} Test with KMnO4 (alkenes/ alkynes only) Turned brown Hinsberg test: Amines test -Soluble in water, not in acid= primary amine -insoluble in water and acid= secondary amine -soluble in acid, not in water= tertiary amine Urethane Derivative test (to see if the Precipitate forms alcoholic compound has more than 5 carbons, by testing its solubility, a precipitate=greater than 5 C) Lucas test (determine if alcohol is primary, Turns to white particles, and dependent secondary, or tertiary) on time measurements fast rxn=tertiary, slow rxn=secondary, very slow or no rxn= primary Sodium test (indicates if an alcohol is Turns to a white precipitate, using litmus present)
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