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NEET UG CHEMISTRY MCQ: ALDEHYDES & KETONES & CARBOXYLIC ACIDS

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Understanding +4 | -1
Correct order of reactivity of acid derivatives towards a nucleophile is
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Correct option: A
RCOCl>(RCO)2O>RCOOR>RCONH2R\mathrm{COCl} > {\left( {R\mathrm{CO}} \right)_2}\mathrm{O} > R\mathrm{COO}R > R\mathrm{CON}{\mathrm{H}_2}
Option A (RCOCl>(RCO)2O>RCOOR>RCONH2RCOCl > (RCO)_2O > RCOOR > RCONH_2) is correct because acid chlorides are the most reactive, followed by anhydrides, esters, and then amides, due to the leaving group ability.

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