Following compounds are given:
(1) CH₃CH₂OH
(2) CH₃COCH₃
(3) CH₃-CHOH-CH₃
(4) CH₃OH
Which of the above compound(s), on being warmed with iodine solution and NaOH, will give iodoform?
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All methyl ketones and secondary alcohols with CH₃–CHOH– give iodoform test.