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Aryl halide undergo :...

Aryl halide undergo :

A

Fittig reaction

B

Ulmann reaction

C

Wurtz reaction

D

Grignard reagent synthesis

Text Solution

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The correct Answer is:
A, B, D
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Assertion(A): Aromatic 1^(@ amines can be prepared by Gabriel phtalmide synthesis. Reason (R ): Aryl halides undergo nucleophilic substitution with anion formed by pthalimide.

Explain why alkyl halides undergo hydrolysis more easily as compared to aryl halides?

Knowledge Check

  • Aryl halides undergo ________.

    A
    Wurtz-Fitting reaction
    B
    Friedel craft reaction
    C
    Sulphonation reaction
    D
    all of the above reactions

  • Assertion (A ) : Aryl halides undergo nucleophilic sunstitution reaction with ease. The carbon halogen bond in aryl halides has partial double bonds character.

    A
    Both Assertion (a) And Reason (R ) are correct Statement . And Reason (R ) is the correct explanation of the Assertion (A)
    B
    Both Assertion (A) and Reason (R ) are correct statement , bbut Reason (R ) is not the correct expanation of the Assertion (A)
    C
    Assertion (A) is correct , but Reason (R ) is correct statement .
    D
    Assertion (A ) is incorrect but Reason (R ) Is correct statement.

  • Assertion: Aryl halides undergo nucleophilic substitution reactions with ease. Reason:The carbon halogen bond in aryl halides has partial double bonds character.

    A
    Both assertion and reason are correct statements, and reason is the correct explanation of the assertion
    B
    Both assertion and reason are correct statements, but reason is not the correct explanation of the assertion
    C
    Assertion is correct, but reason is wrong statement.
    D
    Assertion is wrong, but reason is correct statement.

    • Similar Questions

    Explore conceptually related problems

    Why do alkyl halides undergo hydrolysis more readily than aryl halides?

    Aryl halides undergo nucleophilic substitution reaction only is extreme condition. Except to certain industrial processes where very severe conditions are feasible, one does not ordinarily prepare phenols (ArOH) , ethers (ArOR) , amines (ArNH_(2)) or nitriles (ArCN) by nucleophilic attact on aryl halides. The presence of electron withdrawing groups like -NO_(2), -CF_(3) at ortho or para positioin to the halogen atom makes the aryl halides more susceptible to nucleophilic attack. The reaction of unactivated or deactivated aryl halide with strong bases or at highh temperature proceed via the benzyne intermediate. underset(LiqNH_(3))overset(KNH_(2))to(A) Identity A in the above reaction

    Aryl halides undergo nucleophilic substitution reaction only is extreme condition. Except to certain industrial processes where very severe conditions are feasible, one does not ordinarily prepare phenols (ArOH) , ethers (ArOR) , amines (ArNH_(2)) or nitriles (ArCN) by nucleophilic attact on aryl halides. The presence of electron withdrawing groups like -NO_(2), -CF_(3) at ortho or para positioin to the halogen atom makes the aryl halides more susceptible to nucleophilic attack. The reaction of unactivated or deactivated aryl halide with strong bases or at highh temperature proceed via the benzyne intermediate. underset(NH_(3))overset(NaNH_(2))to Product. The predominant product is

    Statement-I: Aryl halidea undergo electrophilic substitution less radily than benzene. Because Statement-II: Ary, halide gives only meta product w.r.t. electrophilic substitution.

    Assertion: Aromatic 1^(@) amines can be prepared by Gabriel Phthalimide Synthesis. Reason: Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.

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