3.5.4

Tri-Iodomethane Reaction

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Tri-Iodomethane

Compounds with a -CH3CO can reactive with basic solutions to produce tri-iodomethane.

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Reaction

  • A solution of iodine is added to the aldehyde or ketone.
  • A base is added to make the solution alkaline. NaOH is often used.
  • If a -CH3CO group is present, the reaction can proceed and tri-iodomethane (CHI3) is formed.
    • CHI3 forms a pale yellow precipitate in solution.
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Overall equation

  • This gives an overall equation of:
    • CH3CO-R + 3I2 + 4OH- → CHI3 + RCOO- + 3I- + 3H2O

Jump to other topics

1Physical Chemistry

1.1Atoms, Molecules & Stoichiometry

1.2Atomic Structure

1.3Chemical Bonding

1.4States of Matter

1.5Chemical Energetics

1.6Electrochemistry

1.7Equilibria

1.8Partition Coefficient

1.9Reaction Kinetics

2Inorganic Chemistry

3Organic Chemistry & Analysis

3.1Introduction to Organic Chemistry

3.2Hydrocarbons

3.3Halogen Derivatives

3.4Hydroxy Compounds

3.5Carbonyl Compounds

3.6Carboxylic Acids & Derivatives

3.7Nitrogen Compounds

3.8Polymerisation

3.9Analytical Techniques

3.10Organic Synthesis

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