Iodoform reaction (methyl ketone / ethanol oxidation branch) (Methyl ketones (and ethanol/CH₃CH(OH)–) give yellow CHI₃ precipitate with I₂/NaOH)

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Methyl ketones (and ethanol/CH₃CH(OH)–) give yellow CHI₃ precipitate with I₂/NaOH

What each symbol means

SymbolWhat it stands for
CH₃CORMethyl ketone or oxidizable methyl carbinol

When to use this

Basic iodine; haloform sequence; diagnostic yellow precipitate of triiodomethane.