Which gives positive iodoform test?

Question

Accepted Answer

A. Both CH₃CH₂OH and acetone (have CH₃-CHOH or CH₃-CO group)

Iodoform test (I₂/NaOH → yellow CHI₃) positive for CH₃-CO-R (methyl ketones) or CH₃-CHOH-R (which oxidizes to methyl ketone).
**Hence acetone, acetaldehyde, ethanol all positive. Methanol negative.**

Answer

CH₃CH₂OH

Answer

Acetone only

Answer

CH₃OH

Which gives positive iodoform test?

Keep practising Unit 4A1: Types of Chemical Reactions