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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.

Correct Answer:

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