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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3ap053

Which of the following compounds give positive results with BOTH sodium metal ( $H X_{2}$ evolved) and $I X_{2}$ / $NaOH$ (yellow precipitate)?

Aethanol
Bpropan-1-ol
Cpropan-2-ol
Dpropanone

Answer: A, C

Ethanol and propan-2-ol have an O-H (react with Na) and a

CH X_{3} CH (OH) X^{-}

unit (iodoform positive). Propan-1-ol is negative in iodoform. Propanone is iodoform positive but has no O-H, so no

H X_{2}

with sodium.

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