Which reaction sequence would be best for preparing 3,5-dibromoaniline from nitrobenzene? a. (i) excess Br2 + FeBr3 / heat (ii) 3 H₂ / Pt or Ni catalyst b. (i) H2SO4/heat (ii) excess Br2 + FeBr3 / heat (iii) 3 H₂/ Pt or Ni catalyst c. (i) 3 H₂/ Pt or Ni catalyst (ii) H2S04/heat (iii) excess HBr d. (i) 3 H2/Pt or Ni catalyst (ii) 2 Br2 in ether

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Which reaction sequence would be best for preparing 3,5-dibromoaniline from nitrobenzene?
a.
(i) excess Br2 + FeBr3 / heat (ii) 3 H₂ / Pt or Ni catalyst
b. (i) H2SO4/heat (ii) excess Br2 + FeBr3 / heat (iii) 3 H₂/ Pt or Ni catalyst
c. (i) 3 H₂/ Pt or Ni catalyst (ii) H2S04/heat (iii) excess HBr
d. (i) 3 H2/Pt or Ni catalyst (ii) 2 Br2 in ether
Transcribed Image Text:Which reaction sequence would be best for preparing 3,5-dibromoaniline from nitrobenzene? a. (i) excess Br2 + FeBr3 / heat (ii) 3 H₂ / Pt or Ni catalyst b. (i) H2SO4/heat (ii) excess Br2 + FeBr3 / heat (iii) 3 H₂/ Pt or Ni catalyst c. (i) 3 H₂/ Pt or Ni catalyst (ii) H2S04/heat (iii) excess HBr d. (i) 3 H2/Pt or Ni catalyst (ii) 2 Br2 in ether
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