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Question

Which of the following reagents will give the maximum yield of 3-fluorobromobenzene?

  1. F2/AlCl3,Zn/HCl,NaNO2/HCl0C,CuBr
  2. SnCl2/HCl,Br2/FeBr3,NaNO2/HBF40C,heat
  3. SnCl2/HCl,NaNO2/HBF40C,heat,Br2/FeBr3
  4. Br2/FeBr3,SnCl2/HCl,NaNO2/HBF40C,heat


Solution

The correct option is D Br2/FeBr3,SnCl2/HCl,NaNO2/HBF40C,heat

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