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The electrophile in halogentation of are...

The electrophile in halogentation of arenes is
(i). `X_(2)`
(ii). `X^(+)`
(iii). `X^(delta+)….X….overset(delt-)(A)IX_(3)`
(iv). X

A

(i) or (iv)

B

(ii) or (iii)

C

(i)

D

(iv)

Text Solution

Verified by Experts

The correct Answer is:
2

The electrophile is either positive halogen or Lewis acid complex.
`AlX_(4)^(-)` acts as the base in the second step.
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Knowledge Check

  • Which of the following are the solutions of 2x^(2)-5x-3=0 ? (i) x=2 (ii) x = 3 (iii) x=(-1)/(2)

    A
    only (i)
    B
    (i) and (ii)
    C
    (ii) and (iii)
    D
    (i) , (ii) and (iii)