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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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The reaction proceed by the mechanism :

The reaction proceed by the mechanism :

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.

In the follwing reactionsL the rate of reaction (I) and (II) are some. Both reactions proceeds by which mechanism.

Refer to Q. No.24 and find out which of the reactions proceeds by SN^i mechanism.

For the reaction: X(g) rarr Y(g)+Z(g) , the following data were obtained at 30^(@)C : {:("Experiment",[X](mol L^(-1)),"Rate" (mol L^(-1) hr^(-1))),(I,0.17,0.05),(II,0.34,0.10),(III,0.68,0.20):} The equilibrium constant for the reaction is 0.50 . Assuming that the reaction proceeds by one-step mechanism. Find the rate constant of reverse reaction?

Knowledge Check

  • The reaction proceed by the mechanism :

    A
    `S_(N^(1))`
    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))`

  • 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.

    A
    If both `(A)` and `(R )` are correct, and `(R )` is the correct explnation of `(A)`.
    B
    If both `(A)` and `(R )` are correct, but `(R )` is noth the correct explanation of `(A)`.
    C
    If `(A)` is correct, but `(R )` is incorrect.
    D
    If both (A) and (R ) are incorrect.
    • 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 radily undergoes substitutio...

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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 HCI 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 of dehydrohalogenation is

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

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