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The reactivity order of alkyl halide ...

The reactivity order of alkyl halide is `3^(@) gt 2^(@) gt 1^(@)` in

A

Both `S_(N)1` and `S_(N)2`

B

Both `S_(N)2` and `E_(2)`

C

Both `E_(2) " and " S_(N)2`

D

Both `S_(N)1 " and " E_(2)`

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Correct reactivity order of alkyl halides towards SN2 reaction is

The reactivity of alkyl halides depends upon:

Knowledge Check

  • (A) S_(N^(2)) reaction takes place in single step. (R) S_(N^(2)) reaction involves the reactivity order of alkyl halides as 1^(@) gt 2^(@) gt 3^(@) halides.

    A
    If both (A) and (R) are correct and (R) is the correct explanation of (A)
    B
    If both (A) and (R) are correct but (R) is not the correct explanation of (A)
    C
    If (A) is correct but (R) is incorrect.
    D
    If (A) is incorrect but (R) is correct.
  • A : Thte reactivity order of alcohols is 1^(@) gt 2^(@) gt 3^(@) for the reaction in which O-H bond is broken . R : The reactivity order of alcohol is 3^(@) gt 2^(@) gt 1^(@) for the reaction in which C - O bond is broken .

    A
    If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
    B
    If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
    C
    If Assertion is true statement but Reason is false , then mark (3)
    D
    If both Assertion and Reason are false statements , then mark (4)
  • The S_(N^(2) reactivity order for halides is :

    A
    `R-FgtR-ClgtR-BrgtR-I`
    B
    `R-IgtR-BrgtR-ClgtR-F`
    C
    `R-BrgtR-IgtR-ClgtR-F`
    D
    `R-ClgtR-BrgtR-FgtR-I`
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    The S_(N)^(2) reactivity order for halides :-

    The actual order of reactivity ofalkyl halide is

    Which mechanism has different reactivity order of alkyl halides (1^@,2^@,3^@) than others :

    Assertion : The order of reactivity of carbonium ions is 2^(@) gt 3^(@) gt 1^(@) . Reason : Carbon atom in carbonium ions is in sp^(3) state of hybridisation.

    Increasing order of reactivity of alkyl halide is