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in aromaticity,if in a cyclic ring there is a carbon containing negative charge(carbanion),is it counted in 4n +2 electrons?does it satisfy all the conditions of aromaticity(all carbon atoms have to contain p-orbitals)?

in aromaticity,if in a cyclic ring there is a carbon containing negative charge(carbanion),is it counted in 4n
+2 electrons?does it satisfy all the conditions of aromaticity(all carbon atoms have to contain p-orbitals)?

Grade:11

1 Answers

Grace
13 Points
5 years ago
Yes, if the negative charge (i.e the lone pair) is taking part in complete conjugation, the 2 electrons will be counted in 4n+2 pi electrons. Also you have to make sure they are inside the ring.
Conditions for aromaticity are-
  1. It should be a cyclic compound
  2. It should have complete conjugation
  3. it should have 4n+2 pi electrons

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