Functional Groups Tests
A mindmap of the tests for different functional groups.
- Created by: Phoebe
- Created on: 17-12-12 13:41
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- Tests
- Alkenes
- Add Bromine Water
- Red-brown colour decolourised
- Add Bromine Water
- Haloalkanes R-X
- Warm with NaOH (aq); acidify with HNO3 and add AgNO3 (aq)
- Precipitate of AgX
- Warm with NaOH (aq); acidify with HNO3 and add AgNO3 (aq)
- Alcohols R-OH
- Add acidified K2Cr2O7 (Potassium Dichromate)
- Orange colour turns green with primary and secondary alcohols
- Warm with CH3COOH (ethanoic acid) and a little conc. H2SO4
- Sweet smell of ester
- Add acidified K2Cr2O7 (Potassium Dichromate)
- Aldehydes R-CHO
- Add acidified K2CrO7 (potassium dichromate)
- Orange Colour turns green
- Warm with Fehling's solution
- Red precipitate of Cu2O
- Warm with Tollens' reagent
- Silver Mirror
- Add acidified K2CrO7 (potassium dichromate)
- Carboxylic Acids R-COOH
- add NaHCO3 (aq) (Sodium Hydrogen Carbonate)
- Effervescence of CO2
- add NaHCO3 (aq) (Sodium Hydrogen Carbonate)
- Acyl Chlorides R-COCl
- Add AgNO3 (aq) (Silver Nitrate)
- Vigorous reaction and white precipitate of AgCl
- Add AgNO3 (aq) (Silver Nitrate)
- Alkenes
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