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A 0.535 gm mixture of ethanol and acetal...

A `0.535` gm mixture of ethanol and acetaldehyde when heated with Fehling's solution gave `1.2` gm of a red precipitate. What is the percentage of acetaldethyde in the mixture ?

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The correct Answer is:
`34.50%`
Acetaldehyde reduces Fehling.s solution to red cuprous oxide `(Cu_(2)O) and CH_(3)CHO + [O] rarr CH_(3)COOH`
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