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प्रश्न
Which one of the following undergoes reaction with 50% sodium hydroxide solution to give the corresponding alcohol and acid.
विकल्प
Phenylmethanal
ethanal
ethanol
methanol
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उत्तर
Phenylmethanal
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Which of the following gives red precipitate with Fehling's solution?
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\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{....}\ce{OR''}\phantom{}\\ \phantom{}\backslash\phantom{..}/\\ \ce{C}\\ \phantom{}/\phantom{..}\backslash\\ \phantom{...}\ce{R'}\phantom{...}\ce{OR''}\phantom{} \end{array}\]
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\[\begin{array}{cc} \phantom{...}\ce{R}\phantom{....}\ce{OR'}\phantom{}\\ \phantom{}\backslash\phantom{..}/\\ \ce{C}\\ \phantom{}/\phantom{..}\backslash\\ \phantom{...}\ce{H}\phantom{....}\ce{OR'}\phantom{} \end{array}\]
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