Heterocyclic 5 membered

Front

Aromaticity order is as follows (related to electronegativity):

Back

Thiophene > pyrrole > furan

Front

Is pyrrole more acidic than pyrrolidine?

Back

True

Front

Reactivity order related to the electronic effects of the heteroatoms:

Back

pyrrole > furan > Thiophene

Front

Pyrrole can be nitrated using HNO₃ and H₂SO₄ whereas thiohene is sensitive to mineral acids.

Back

False

Front

Furan can be sulphonated with: pyridinium sulphonate, Sulphuric acid, acetyl nitrate

Back

pyridinium sulphonate

Front

Dichlorocarbene CCl₂ is an...................

Back

Electrophile