Haloarenes react with halogens in the presence of _________ as the catalyst to give ortho-para isomers.

ferric chloride

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sodium chloride

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potassium chloride

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magnesium chloride

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Solution

The correct option is A ferric chloride
feric chloride act as lewis acid catalyst which helps in generating halonium ion which act as a electrophile favorable for electrophilic substitution at ortho and para position of haloarenes.

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Similar questions

Toluene reacts with a halogen in the presence of iron (III) chloride giving ortho and para halo compounds. The reaction is

(a) electrophilic elimination reaction

(b) electrophilic substitution reaction

(d) nucleophilic substitution reaction

(- N O_{2})

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