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प्रश्न
Which of the following gives red precipitate with Fehling's solution?
विकल्प
Butanone
Benzaldehyde
Mesityl oxide
Butanal
MCQ
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उत्तर
Butanal
Explanation:
Only aliphatic aldehydes have a lowering effect. Fehling's solution has a property that the others don't have. ketones and aromatic aldehydes as a result, only With Fehling's, butanal produces a crimson precipitate solution from among the available options.
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