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  3. Chemistry
  4. Which of the following will not give iodoform test ?

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Q. Which of the following will not give iodoform test ?

Alcohols Phenols and Ethers

Solution:

Any group having $CH_3CO$- group, along with ethanol and isopropyl alcohol would give iodoform test positive. This is because ethanol under reaction condition (oxidising) produces ethanal having $CH_3CO-$ group. Also any secondary alcohol having $CH_3-C-(OH)-$ group also produces a ketone having $CH_3CO^-$ group on oxidation