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Rearrangement is not possible in :-...

Rearrangement is not possible in :-

A

B

`CH_(3)-underset(OCH_(3))underset(|)CH-overset(o+)CH-CH_(3)`

C

D

`CH_(3)-underset(CH_(3))underset(|)CH-overset(o+)CH-CH_(3)`

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The correct Answer is:
A
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Rearrangement in Carbocation

Acid catalysed hydration of alkene give alcohol. In thic reaction addition of water takes place according to Markownikovs rule. Since intermediate carbocation is formed in this reaction, rearrangment of carbocation takes place. In oxymercuration-demercuration reaction hydration of alkene takes place according to markownikovs rule. Oxymercuratio-demercuration-dermercuration no rearrangement is possible. in hydroboration-oxidation hydration of alkene takes place according to anti marjownikows addition. in HBO reaction rearrangement is not possible. both in oxymercuration-demercuation and hydroboration-oxidation, intermediate carbocation are not formed. Q. 2-phenyl propene on acidic hydration gives:

Knowledge Check

  • In which of the following reactions, rearrangement is possible ?

    A
    `E1`
    B
    `SN^1`
    C
    `SN^(2')`
    D
    `E1cB`

  • Acid catalysed hydration of alkene give alcohol. In thic reaction addition of water takes place according to Markownikov's rule. Since intermediate carbocation is formed in this reaction, rearrangment of carbocation takes place. In oxymercuration-demercuration reaction hydration of alkene takes place according to markownikov's rule. Oxymercuratio-demercuration-dermercuration no rearrangement is possible. in hydroboration-oxidation hydration of alkene takes place according to anti marjownikow's addition. in HBO reaction rearrangement is not possible. both in oxymercuration-demercuation and hydroboration-oxidation, intermediate carbocation are not formed. Q. CH_(3)-C-=C-Hunderset(H_(2)O_(2)//OH^(-))overset((Sia)_(2)HB)toA, A is

    A
    `CH_(3)-CH_(2)-CHO`
    B
    C
    `CH_(3)-CHO`
    D
    `CH_(3)-CH_(2)-CH_(2)-OH`

  • Acid catalysed hydration of alkene give alcohol. In thic reaction addition of water takes place according to Markownikov's rule. Since intermediate carbocation is formed in this reaction, rearrangment of carbocation takes place. In oxymercuration-demercuration reaction hydration of alkene takes place according to markownikov's rule. Oxymercuratio-demercuration-dermercuration no rearrangement is possible. in hydroboration-oxidation hydration of alkene takes place according to anti marjownikow's addition. in HBO reaction rearrangement is not possible. both in oxymercuration-demercuation and hydroboration-oxidation, intermediate carbocation are not formed. Q. The product formed in the following reaction is: Pruduct

    A
    B
    C
    D
    `H_(2)underset(OH)underset(|)(C)-CH_(2)underset(CH_(3))underset(|)(C)H-CH_(3)`

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    Which of the following statements are not correctly associated with S_N1 reaction? I. Rearrangement is possible. II. Rate is affected by solvent polarity. III. The strength of the nucleophile is important in rate determining step. IV. The reactivity order is : tertiary gt secondary gt primary V. Proceeds with complete inversion of configuration.

    Which of the following phreases are not correvlty associated with S_(N^(1)) reaction ? (I) Rearrangement is possible (II) Rate si affected by polarity of solvent (III) the strength of the nuclephile is important in determining rate (IV) the reacityity series is tertiary gt secondary gt promany (V) proceeds with complete inversion of configguation

    Which of the following statement(s) is/are incorrect regarding S_N 1 reaction? I) Rearrangement is possible. II) Proceeds with complete inversion of configuration. III) Rate depends on polarity of solvent. IV) The strength of the nucleophile is important in rate determining step.

    Beckmann rearrangement is involved in the synthesis of

    the chromosomal rearrangement results in :

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