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Nucleophilic substitution reaction of 2,...

Nucleophilic substitution reaction of 2,4-dinitrochlorobenzene is faster than p- nitrochlorobenzene . Give reason

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Knowledge Check

  • Arrange the following in order of increasing ease of nucleophilic substitution reaction Chlorobenzene(I), 2, 4, 6-trinitrochlorobenzene (II), 2, 4-dinitrochlorobenzene (III) and 4-nitrochlorobenzene (IV)

    A
    `I lt IV lt III lt II`
    B
    `I lt III lt IV lt II`
    C
    `II lt III lt IV lt I`
    D
    `IV lt III lt II lt I`

  • Assertion: Electron withdrawing groups in aryl halides decrease the reactivity towards nucleophilic substitution. Reason: 2,4-Dinitrochlorobenzene is less reactive than chlorobenzene.

    A
    If both Assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
    C
    if assertion is true but reason is false.
    D
    if assertion is false but reason is true