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504

Q:

In 1931, who recognised that an aromatic compound must have an odd number of pairs of electrons, which can mathematically be written as 4n+2 (n = 0,1,2,3 etc.)?

  • 1
    Jacob Berzelius
  • 2
    Erich Huckel
  • 3
    Antoine Lavoisier
  • 4
    Auguste Laurent
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Answer : 2. "Erich Huckel"

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