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NEET UG CHEMISTRY MCQ: ALDEHYDES & KETONES & CARBOXYLIC ACIDS

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Application +4 | -1
CH3CH2COOC2H5→NaOH(aq )X+Y\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOC}_2 \mathrm{H}_5 \xrightarrow{\mathrm{NaOH}_{(\text {aq })}} X+Y

X→H3O+Z( Carboxylicacid )X \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}} Z(\text { Carboxylicacid })

The correct sequence of reagents required for the conversion Y\mathrm{Y} to Z\mathrm{Z} is
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Correct option: B
PCl3,KCN&H3O+\mathrm{PCl}_3, \mathrm{KCN} \& \mathrm{H}_3 \mathrm{O}^{+}
Option B (PCl3,KCN&H3O+\mathrm{PCl}_3, \mathrm{KCN} \& \mathrm{H}_3 \mathrm{O}^{+}) is correct because it converts the alcohol to a halide, then to a nitrile, and finally hydrolyzes the nitrile to a carboxylic acid.

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