Name a compound that gives positive iodoform test.


Iodoform test is given by aldehydes and ketones having at least one methyl group at carbonyl carbon.

Iodoform test is used to check the presence of carbonyl compounds with the structure R-CO-CH3 or alcohols with the structure R-CH(OH)-CH3 in a given unknown substance.

Compounds that give positive iodoform test

  • Acetaldehyde
  • Methyl Ketones
  • Ethanol
  • Secondary Alcohols that contain Methyl Groups in Alpha Position

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