Organic Analysis 0.0 / 5 ? ChemistryOrganic SynthesisA2/A-levelAQA Created by: grace WillmoreCreated on: 22-04-18 14:02 Test for alkenes Add bromine water and shake - electrophilic addition occurs 1 of 6 Test for halogenoalkanes add NaOH, acidify with HNO3, add AgNO3 - precipitate of AgX occurs 2 of 6 Test for alcohols add acidified potassium dichromate (K2Cr2O7) - orange to green which primary+secondary alcohols 3 of 6 Tests for aldehydes Tollens solution - silver mirror, Fehlings solution - blue turns brick red 4 of 6 Test for Carboxylic acid add NaHCO3 - bubbles are seen as CO2 is given off 5 of 6 what is the fingerprint region? in the infrared spectrum, the pattern of peaks are unique for each molecule so u can identify what the molecule is by this area (like a fingerprint) 6 of 6
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