The Best Synthesis of M-Dibromobenzene Would Be

question 49

Multiple Choice

The best synthesis of m-dibromobenzene would be:

• A)Benzene,Br₂,FeBr₃,heat
• B)Aniline,Br₂,H₂O; then HONO,0-5 °C; then CuBr
• C)Nitrobenzene,HNO₃,H₂SO₄,heat; then Fe/HCl (excess); then 2 HONO,0-5 °C; then 2 CuBr
• D)Bromobenzene,HNO₃,H₂SO₄; then Fe,HCl,C₂H₅OH,reflux; then HONO,0-5 °C; then CuBr
• E)Two of these choices.

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