Organic tests

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  • Created by: Sam
  • Created on: 23-03-12 17:50

Flame Test

 - burn in air

 - produces a yellow or blue flame

 - greater proportion of carbon yellow flame

 - plenty of air porduces CO  and H O

 - reduced air produces CO and soot (Carbon)

 - solid compounds will char

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Test with Bromine water

 - test for C=C bonds

 - add bromine water

 - if bromine water decolourises the compound is unsaturated

 - no change saturated

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Empirical Formula

 - find the mass of each element 

    - Carbon  (12/44)

    - Hydrogen (2/18)

 - find the moles ( no. of moles = mass/relative atomic mass)

 - divide the answers by the smallest one

 - provides the simplest ratio ( empirical formula)

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