1. Tardigrade
  2. Question
  3. Chemistry
  4. How many of the following reagents react with arene diazonium salts to form aryl halides? i. HBF 4 / Δ ii. KHS iii. CuCN / KCN iv. CuBr / HBr v. Cu / HCl vi. KI / Δ vii. CH 3 CH 2 OH viii. H 3 PO 2 / H 2 O ix. HBF 4 / ( NaNO 2, Cu )

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Q. How many of the following reagents react with arene diazonium salts to form aryl halides?
i. $HBF _{4} / \Delta$
ii. $KHS$
iii. $CuCN / KCN$
iv. $CuBr / HBr$
v. $Cu / HCl$
vi. $KI / \Delta$
vii. $CH _{3} CH _{2} OH$
viii. $H _{3} PO _{2} / H _{2} O$
ix. $HBF _{4} / \left( NaNO _{2}, Cu \right)$

Amines

Solution:

Correct answer is '4'

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