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Assertion (A) Addition reaction of water...

Assertion (A) Addition reaction of water to but-1-ene in acidic medium yields butan-1-ol.
Reason (R) Addition of water in acidic medium proceeds through the formation of primary carbocation.

A

Assertion and reason both are correct and reason is correct explanation of assertion.

B

Assertion and reason both are wrong statement.

C

Assertion is correct statement but reason is wrong statement.

D

Assertion is wrong statement but reason is correct statement.

Text Solution

Verified by Experts

The correct Answer is:
B
Correct statement. Addition of water to but-1-ene in acidic medium yields butan-2-ol. Correct reason. Adddition of water in acidic medium proceeds through the formation of secondary carbocation.
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The addition of HBr to but-1-ene in the presence of dibenzoyl peroxide yields

Assertion (A) Hydrolysis of (-)-2-bromooctane proceeds with inversion of configuration Reason (R) This reaction proceeds through the formation of a carbocation.

Assertion: Hydrolysis of (-)-2- bromooctane proceeds with inversion of configuration. Reason: This reaction prioceeds through the formation of a carbocation.

Knowledge Check

  • Addition of HBr to but -1- ene yields

    A
    `2-`bromobutane
    B
    `(+)-2-`bromobutane
    C
    `(-)-2-`bromobutane
    D
    `(+-)-2-`bromobutane

  • The addition of HBr to but-1-ene in the presence of dibenzoyl peroxide yields

    A
    `(+-)-2-`bromobutane
    B
    `1-`bromobutane
    C
    `(+-) 1-`bromobutane
    D
    `2-`bromobutane

  • Assertion (A) Hydrolysis of (-)-2-bromooctane proceeds with inversion of configuration Reason (R) This reaction proceeds through the formation of a carbocation.

    A
    Assertion and reason both are correct and reason is correct explanation of assertion
    B
    Assertion and reason both are wrong statements
    C
    Assertion is correct but reason is wrong statement
    D
    Assertion is wrong but reason is correct statement.