(D) The iodoform test is given by compounds containing either a methyl ketone group $(CH_3-CO-)$ or a methyl carbinol group $(CH_3-CH(OH)-)$.$1.$ Acet

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(D) The iodoform test is given by compounds containing either a methyl ketone group $(CH_3-CO-)$ or a methyl carbinol group $(CH_3-CH(OH)-)$.$1.$ Acetone $(CH_3-CO-CH_3)$ and Ethyl alcohol $(CH_3-CH_2-OH)$ both give a positive iodoform test.$2.$ Acetic acid $(CH_3-COOH)$ does not give the iodoform test because the hydroxyl group attached to the carbonyl carbon prevents the reaction.