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Match List I with List II : s reacted with reagents in List I to form products in List II products in List II. List I (Reagent) List II (Product) A. I. B. HBF 4 , Δ II. C. Cu, HCl III. D. CuCN/KCN IV. Choose the correct answer from the options given below:

Options

  1. AA-IV, B-III, C-II, D-I
  2. BA-III, B-I, C-II, D-IV
  3. CA-I, B-III, C-IV, D-II
  4. DA-III, B-I, C-IV, D-II

Correct answer

D. A-III, B-I, C-IV, D-II

Step-by-step solution

Coupling reaction between benzene diazonium chlorides with aniline in acidic medium takes place to give yellow colour. In this reaction the nitrogen N 2 in the diazonium ion is lost and forms the bridge between two benzene rings forming an electrophilic substitution reaction. Fluoro benzene is prepared by treating benzene diazonium chloride with fluoro boric acid. This reaction produces diazonium fluoroborate which on heating produces fluorobenzene. This reaction is called Balz-Schiemann reaction. Gattermann reacti

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