Which structural unit must an alcohol have to give a positive iodoform test?
AA -CH2OH end group
BA tertiary C-OH
CA CH3-CH(OH)R group
DA phenolic -OH
Answer & Solution
Correct answer: C. A CH3-CH(OH)R group
Hypoiodite oxidises CH3-CH(OH)R to a methyl ketone, which is then iodinated and cleaved to iodoform.
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