2,2-Dichloropropane, CH3-CCl2-CH3, is heated with aqueous KOH. The product is

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JEE Main levelSingle correct optionDifficulty 2 of 3ro153

2,2-Dichloropropane, $CH X_{3} - CCl X_{2} - CH X_{3}$ , is heated with aqueous KOH. The product is

Apropanone
Bpropan-2-ol
Cpropene
Dpropane-2,2-diol (isolated)

Answer: A

Substitution of both chlorines on the same carbon forms the gem-diol, which is unstable and loses water to give the carbonyl compound. A gem-dihalide on a secondary carbon gives the ketone, propanone.

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Answer: A

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2,2-Dichloropropane, $CH X_{3} - CCl X_{2} - CH X_{3}$ , is heated with aqueous KOH. The product is