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- 1. Multiple Choice
Aromaticity order is as follows (related to electyronegativity)
Thiophene > furan> pyrrole
Thiophene > pyrrole > furan
furan> pyrrole > Thiophene
pyrrole > Thiophene >furan
- 2. Multiple Choice
Pyrrole is more acidic than pyrrolidine
True
False
- 3. Multiple Choice
Reactivity is as follows (related to the electronic effects of the heteroatoms)
Thiophene > pyrrole > furan
pyrrole > furan > Thiophene
furan> pyrrole > Thiophene
- 4. Multiple Choice
Pyrrole can be nitrated using HNO3 and H2SO4 whereas thiohene is sensitive to mineral acids
True
False
- 5. Multiple Choice
Furan can be sulphonated with
pyridinium sulphonate
Sulphuric acid
acetyl nitrate
- 6. Multiple Choice
Dichlorocarbene CCl2 is an...................
Electrophile
Nucleophile
free radical
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