synthesize bromobenzene from benzene?

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter18: Aromaticity
Section: Chapter Questions
Problem 11E
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Number 3.4 is one that I really do not understand in the slightlest, please show me the correct process and how to answer this question correctly. Also for 3.5, I am stuck at. I need help to understand it completely!

3.4. Which set of reagents would be appropriate to synthesize bromobenzene from benzene?
a. 1. HNO3 in H2SO4; 2. H2CRO4 and heat
b. 1. H2CrO4 and heat; 2. H2 Pd/C
c. 1. Br2 and FeBr3
d. 1. CH3CH2CHCI and AICI3; 2. H2CrO4 and heat
e. 1. 4B12 and Fe
f. 1. Heat and Br2
3.5. What starting materials or reagents are best used to carry out the following reaction?
?
Na,Cr,O,
HO
H,SO4, H2O
а. 2Fe, 3Brz
c. FeCl3, Br2
b. 2Fe, 4Br2
d. CH3CHCI and AICI3
Transcribed Image Text:3.4. Which set of reagents would be appropriate to synthesize bromobenzene from benzene? a. 1. HNO3 in H2SO4; 2. H2CRO4 and heat b. 1. H2CrO4 and heat; 2. H2 Pd/C c. 1. Br2 and FeBr3 d. 1. CH3CH2CHCI and AICI3; 2. H2CrO4 and heat e. 1. 4B12 and Fe f. 1. Heat and Br2 3.5. What starting materials or reagents are best used to carry out the following reaction? ? Na,Cr,O, HO H,SO4, H2O а. 2Fe, 3Brz c. FeCl3, Br2 b. 2Fe, 4Br2 d. CH3CHCI and AICI3
Expert Solution
Step 1

3.4 

  • Bromination of benzene 

3.5 

  • friedel craft alkylation
  • oxidation
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