| Qu1: |
How could you prepare the following aryl halides from benzene
? |
|
| (a) chlorobenzene |
(b) fluorobenzene |
| (c) iodobenzene |
(d) 1-bromo-3-chlorobenzene |
| (e) 1,4-dibromobenzene |
(f) 1,3,5 tribromobenzene |
|
| Qu 2: |
Identify the major products formed by the reaction of bromobenzene
with each of the following : |
|
| (a) HNO3 / H2SO4 / heat |
(b) Br2 / FeBr3 |
| (c) CH3CH2Cl / AlCl3 / heat |
(d) H2SO4 / heat |
| (e) CH3CH2COCl / AlCl3 /
heat |
(f) Mg / THF then CO2 followed by aq. acid work-up |
|
| Qu 3: |
What are the major products of the reactions of each of the following
with phenyl magnesium bromide followed by a regular acidic work-up ? |
|
| (a) CH3CH2CHO |
(b) C6H5CHO (benzaldehyde) |
| (c) CH3COCH3 (propanone) |
(d) D2O |
| (e) C6H5CO2CH3 |
(f) C6H5CO2H |
| (g) CH3CH2OH |
(h) C6H5C≡N |
|
| Qu 4: |
Based on the definitions discussed in Chapter
11, is benzyne an aromatic compound ? |
|
|
| Qu 5: |
What is the product of the reaction of benzyne with each of the following: |
|
| (a) 1,3-butadiene |
(b) furan |
| (c) H2O |
(d) NH3 |
|
