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During dehydration of alcholos to alkene...

During dehydration of alcholos to alkenes by heating with conc. `H_(2)SO_(4)`, initial step is

A

formation of an ester

B

protonation of alcohol group

C

formation of carbocation

D

elimination of water

Text Solution

Verified by Experts

The correct Answer is:
B
First step is protonation of hydroxyl group.
`RCH_(2)OH+H^(+)tounderset("Protonated alcohol")(RCH_(2)overset(+)(O)H_(2))`
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Knowledge Check

  • During dehydration of alcohols to alkenes by heating with conc. H_(2)SO_(4) the initiation step is

    A
    Protonation of alcohol molecule
    B
    Formation of carbocation
    C
    Elimination of water
    D
    Formation of an ester

  • During dehydration of alcohols to alkenes by heating with conc. H_2SO_4 the initiations step is

    A
    formation of carbocations
    B
    elimination of water
    C
    formation of an ester
    D
    protonation of alcohol molecule

  • Dehyration of alcohol to alkene by heating with conc. H_(2)SO_(4) , the initiation step is _______ followed with ________ mechanism.

    A
    Elimination of water, free radical
    B
    Formation of an ester, free radical
    C
    Protonation of alcohol, carbocation
    D
    Protonation of alcohol, carbanion

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