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What Is the Best Method for the Preparation of M-Dibromobenzene

Question 78

Multiple Choice

What is the best method for the preparation of m-dibromobenzene from benzene?


A) nitrate; Sn/HCl; NaNO2/HCl,0°C; brominate twice
B) nitrate; Sn/HCl; NaNO2/HCl,0°C; brominate twice; H3PO2
C) nitrate; Sn/HCl; NaNO2/HCl,0°C; H3PO2; brominate twice
D) nitrate; brominate; Sn/HCl; NaNO2/HCl,0°C; CuBr
E) brominate twice

Correct Answer:

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