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Sia

青州's Question
Chemistry
Posted 7 months ago

WHICH OF THE FOLLOWING REAGENT COMBINATIONS CAN BE USED TO PREPARE THE FOLLOWING COMPOUND?
CH3COOCH2CH3\mathrm{CH} 3 \mathrm{COOCH} 2 \mathrm{CH} 3
a) CH3CH2OH+CH3COCl\mathrm{CH} 3 \mathrm{CH}_{2} \mathrm{OH}+\mathrm{CH}_{3} \mathrm{COCl}
B) CH3CH2OH+(CH3CO)2O\mathrm{CH} 3 \mathrm{CH} 2 \mathrm{OH}+(\mathrm{CH} 3 \mathrm{CO}) 2 \mathrm{O}
B) CH3CH2OH+CH3COO2H\mathrm{CH}_{3} \mathrm{CH} 2 \mathrm{OH}+\mathrm{CH}_{3} \mathrm{COO} 2 \mathrm{H}
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Answer from Sia
Posted 7 months ago
A
Key Concept
Esterification reaction
Explanation
The compound mathrmCH3mathrmCOOCH2mathrmCH3\\mathrm{CH}_3 \\mathrm{COOCH}_2 \\mathrm{CH}_3 is an ester, which can be prepared by reacting an alcohol with an acyl chloride. In this case, mathrmCH3mathrmCH2mathrmOH\\mathrm{CH}_3 \\mathrm{CH}_2 \\mathrm{OH} (ethanol) reacts with mathrmCH3mathrmCOCl\\mathrm{CH}_3 \\mathrm{COCl} (acetyl chloride) to form the ester.

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