Testing for Organic Functional Groups

Bee Brittain
Mind Map by Bee Brittain, updated more than 1 year ago
Bee Brittain
Created by Bee Brittain almost 5 years ago


Mind Map on Testing for Organic Functional Groups, created by Bee Brittain on 10/12/2016.

Resource summary

Testing for Organic Functional Groups
  1. Alkenes
    1. Bromine Water Br2 (aq)
      1. Bromine water turns from orange to colourless
    2. Haloalkane
      1. Aqueous silver nitrate and ethanol (the isolate the halide ion)
        1. Chlorine: White precipitate Bromine: cream precipitate Iodine: Yellow precipitate
      2. Phenols
        1. Bromine water
          1. 2,4,6-tribromophenol
            1. Colourless
              1. White Precipitate
              2. Doesn't react with carbonates
              3. Carbonyls (Ketones + Aldehydes)
                1. Brady's Reagent (2,4-DNP)
                  1. Orange Precipitate is formed who's melting point can be tested for identification of substances
                2. Aldehyde
                  1. Tokens Reagent
                    1. Silver Mirror
                    2. No reaction with Ketones
                    3. Oxidation of Alcohols
                      1. Primary
                        1. Acidified Potassium Dichromate
                          1. Turns from orange to green and an aldehyde and then a carboxylate acid is formed
                        2. Secondary
                          1. Acidified Potassium Dichromate
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