Arenes on treatment with chlorine in presence of ferric chloride as a catalyst undergo what type of reaction ? (A) Electrophilic substitution (B) Nucleophilic substitution (C) Electrophilic addition (D) Nucleophilic addition

Chemistry

Arenes on treatment with chlorine in presence of ferric chloride as a catalyst undergo what type of reaction ? (A) Electrophilic substitution (B) Nucleophilic substitution (C) Electrophilic addition (D) Nucleophilic addition

Correct option is A

Explanation:

Arenes undergo halogenation when exposed to chlorine in the presence of a Lewis acid catalyst, ferric chloride, or aluminium chloride, and in the absence of light. Electrophilic substitution process is involved.

i

Which of the following compounds has tetrahedral geometry? (a) $\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{-2}$ (b) $\left[\mathrm{Pd}(\mathrm{CN})_{4}\right]^{2-}$ (c) $\left[\mathrm{PdCl}_{4}\right]^{2-}$ (d) $\left[\mathrm{NiCl}_{4}\right]^{2}$

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