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Chemical Properties of Alcohol

A compound ha...

Question

A compound have the vapour density of 29. When its aqueous alkaline solution is heated with $I_{2}$ , yellow precipitate forms. The compound may be:

C H_{3} C H_{2} - C H O

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C H_{3} C O C H_{3}

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C H_{3} C O O H

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C H_{2} = C H - C H_{2} B r

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Solution

The correct option is A $C H_{3} C O C H_{3}$
Vapour density of the compound is $29$ , so the molecular weight will be $58$ . The yellow precipitate is formed with alkaline aqueous iodine and it gives positive iodoform test. hence, the compound must be ketone.

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