The compound shown is brominated with Br2 and FeBr3. Which structure is the major product?

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The compound shown is brominated with $Br X_{2}$ and $FeBr X_{3}$ . Which structure is the major product?

AStructure A
BStructure B
CStructure C
DStructure D

Answer: B

The compound is nitrobenzene. The nitro group withdraws electron density by

- M

and

- I

effects, deactivating the ring and destabilising the ortho and para arenium ions most, so substitution is at the meta position. The product is 1-bromo-3-nitrobenzene.

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The compound shown is brominated with BrX2​ and FeBrX3​. Which structure is the major product?

Answer: B

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The compound shown is brominated with $Br X_{2}$ and $FeBr X_{3}$ . Which structure is the major product?