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Other than ethanoyl chloride, what are the by-products formed when ethanoic acid reacts with PCl3?

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in Chemistry – Class 12 by (188k points)
Other than ethanoyl chloride, what are the by-products formed when ethanoic acid reacts with PCl3?

(a) H3PO3

(b) H3PO3 and HCl

(c) H3PO2 and HCl

(d) POCl3 and HCl

I have been asked this question in final exam.

The above asked question is from Carboxylic Acids Chemical Reactions in division Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12

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The correct answer is (a) H3PO3

Easy explanation: Three molecules of ethanoic acid react with one molecule of PCl3 to give three molecules of ethanoyl chloride and one molecule of phosphorous acid (H3PO3).

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