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Assertion:S(N)2 reactions proceed with i...

Assertion:`S_(N)2` reactions proceed with inversion of configuration
Reason: `S_(N)2` reactions occur in one step .

A

Both assertion and reason are correct, and reason is the correct explanation of the assertion.

B

Both assertion and reason are True, but reason is not the correct explanation of the assertion.

C

Assertion is Incorrect, but reason is correct

D

Both assertion and reason are incorrect

Text Solution

Verified by Experts

The correct Answer is:
B
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Assertion: S_(N)2 reactions proceed with inversion of configuration Reason: S_(N)2 reactions oC Cur in one step .

S_(N)2 reaction occurs with "inversion of configuration" // "racemisation" .

S_(N)2 reaction occurs with "inversion of configuration" // "racemisation" .

Assertion:- SN^(2) reaction proceeds with inversion of configuration. Reason:- The attack of nucleophile occurs from a side opposite to the halogen atom resulting in inversion of configuration.

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

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

Assertion: S_(N^1) reaction proceeds with racemisation while S_(N^1) reaction proceeds with complete stereochemical inversion. Reason: S_(N^2) is two steps reaction while S_(N^1) is one step reaction.

Knowledge Check

  • Assertion: S_(N^(2)) reactions do not proceed with retention of configuration. Reason: S_(N^(2)) reactions proceed in a single step.

    A
    If both assertion and reason are correct and reason is correct explanation for assertion
    B
    If both assertion and reason are correct but reason is not correct explanation for assertion.
    C
    If assertion is correct but reason is incorrect.
    D
    if both assertion and reason are incorrect.

  • S_(N^(2)) reaction are

    A
    stereoselective as well as atereopecific
    B
    stereoselective but not stereospecific
    C
    stereospecific but not stereoselective
    D
    Neither stereospecific nor stereoselective

  • Assertion:- SN^(2) reaction proceeds with inversion of configuration. Reason:- The attack of nucleophile occurs from a side opposite to the halogen atom resulting in inversion of configuration.

    A
    If both Assertion `&` Reason are True `&` the Reason is a correct explanation of the Assertion.
    B
    If both Assertion `&` Reason are True but Reason is not a correct explanation of the Assertion.
    C
    If Assertion is True but the Reason is False.
    D
    If both Assertion `&` Reason are False.