MolSynapsequestion bank

MolSynapse / Question bank / Haloalkanes and Haloarenes / Polyhalogen compounds

JEE Main levelSingle correct optionDifficulty 2 of 3hx192

Chloroform condenses with propanone in the presence of solid $KOH$ to give a hypnotic drug (chloretone). Its structure is

A $(CH X_{3}) X_{2} C (OH) - CHCl X_{2}$
B $CH X_{3} - CO - CCl X_{3}$
C $(CH X_{3}) X_{2} C (OH) - CCl X_{3}$
D $(CH X_{3}) X_{2} CH - CCl X_{3}$

Answer: C

The base removes H from

CHCl X_{3}

to give

CCl X_{3} X^{-}

, which adds to the carbonyl carbon of propanone. Protonation gives

(CH X_{3}) X_{2} C (OH) CCl X_{3}

, 1,1,1-trichloro-2-methylpropan-2-ol.

Practice Haloalkanes and Haloarenes More on Polyhalogen compounds

Previous questionNext question

More questions on Polyhalogen compounds