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  3. Chemistry
  4. During the dehydration of alcohols to alkenes by heating with conc. H2SO4, the initiating step is

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Q. During the dehydration of alcohols to alkenes by heating with conc. $H_2SO_4$, the initiating step is

Rajasthan PMTRajasthan PMT 2008Alcohols Phenols and Ethers

Solution:

The mechanism of dehydration of alcohol involves the following steps-
1. Formation of protonated alcohol
2. Formation of carbocation
3. Formation of ethene by elimination of a proton.