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Chemistry Homework Help => CBSE XI and XII Chemistry => Topic started by: apurva on September 29, 2022, 02:48:24 PM

Title: Dehydration of glycerol to give acrolein
Post by: apurva on September 29, 2022, 02:48:24 PM
Question:
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Title: Re: Reactions of alcohols
Post by: chenbeier on September 29, 2022, 09:52:53 PM
Acrolein CH2=CH2-CHO
Title: Dehydration of glycerol to give acrolein
Post by: uma on September 30, 2022, 04:33:46 AM
Quote from: chenbeier on September 29, 2022, 09:52:53 PM
Acrolein CH2=CH2-CHO
Step by step explanation of mechanism of dehydration of glycerol to give acrolein.
Protonation of alcohol  to give secondary carbocation.
water eliminated
Protonation of alcohol
Deprotonation
Formation of carbocation which is undergoing pinacol-pinacolone  rearrangement
water eliminated
elimination of H from beta carbon to for carbon-carbon double bond.
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Title: Re: Reactions of alcohols
Post by: uma on September 30, 2022, 05:53:03 AM
Quote from: chenbeier on September 29, 2022, 09:52:53 PM
Acrolein CH2=CH2-CHO
Students don't want only answer. They want explanation. Answer any one can search on internet.
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