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The reaction proceeds by the mechanis...

The reaction
proceeds by the mechanism

A

`S_(N^(1))`

B

`S_(N^(2))`

C

`S_(N^(I))`

D

`S_(E^(2))`

Text Solution

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The correct Answer is:
B
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Assertion (A) : Both H_(2)(g)+Cl_(2)(g) rarr 2HCl(g) and H_(2)(g)+Br_(2)(g) rarr 2HBr(g) have the same order of reaction. Reason (R ): Both reaction proceed by the same mechanism.

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A : CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-O-CH_(3) on reaction with conc. Hl gives CH_(3) - underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-I and CH_(3)OH major product . R : This reaction proceed by S_(N)1 mechanism .

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Knowledge Check

  • The reaction proceed by the mechanism :

    A
    `S_(N)1` reaction with racemisation
    B
    `S_(N)2`
    C
    `S_(E)2`
    D
    `S_(N)i`

  • The reaction proceed by the mechanism :

    A
    `S_(N)1`
    B
    `S_(N)2`
    C
    `S_(E)`
    D
    `S_(N)i`
    • ALLEN-ALKYL AND ARYL HALIDE-EXERCISE
    1. The reaction proceeds by the mechanism

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    2. 1,3-Dibromopropane reacts with metallic zinc to form

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    3. Consider the following reaction sequence, CH(3)C-= CH overset(aq.H(2...

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    4. Which of the following has highest dipole moment?

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    5. In S(N^(1)) the first step involves the formation of

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    6. To form alkane isonitrile, alkyl halide is reacted with:

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    7. Which one of the following compounds most readily undergoes substituti...

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    8. (sec-Butyl bromide) undergoes alkaline hydrolysis by :

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    9. Grignard reagent can be prepared by

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    10. Most stable carbocation formed from (CH(3))(3)C-Br,(C(6)H(5))(3)CBr,(C...

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    11. For the reaction

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    12. The products of reaction of alcoholic silver nitrite with enthyl bromi...

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    13. The reaction , CH(3)Br +OH^(-)rarrCH(3)OH+Br^(-) obeys the mechanism

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    14. Ethylidene chloride can be prepared by the reaction of HCl and

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    15. 1-phenyl-2-chloropropane on treating with alc. KOH gives mainly

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    16. Grignard reagent is obtained when magnesium is treated with

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    17. Ethylene reacts bromine to form-

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    18. C(2)H(4) overset(Br(2))rarr X overset(KCN)rarr Y, Y is

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    19. Reactivity order of halides for dehydrohalogenation is : -

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    20. Which of the following is least reactive in a nucleophilic substiution...

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