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Structural and Physical Properties of Carbonyls

Metaldehyde o...

Question

Metaldehyde on heating produces.

A

benzaldehyde

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B

metal

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C

acetaldehyde

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D

methanal

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Solution

The correct option is C acetaldehyde
Metaldehyde is a cyclic tetramer of acetaldehyde having formula $(C H_{3} C H O)_{4}$ .
On heating it to about $80^{o} C$ it reverts back to acetaldehyde.

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