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Acid Catalysed Acetal Formation

In dilute aqu...

Question

In dilute aqueous solution, formaldehyde exists as ?

A

formaldehyde

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B

Paraldehyde

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C

Trixymethylene

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D

Methyleneglycol

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Solution

The correct option is D
Methyleneglycol

Since $C H_{2} O$ is very reactive in dilute solution, it is almost 100% hydated to form methyleneglycol.

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Acid Catalysed Acetal Formation

Standard XII Chemistry