April 3, 2026

Lewis Superacids

  • Scientists at Paderborn University, Germany have been able to make a unique class of catalysts called Lewis super-acids.
  • Named after chemist, G N Lewis, Lewis super-acids derive from Lewis acids.
  • A Lewis acid is any substance, such as a Hydrogen ion (H+) that can accept a pair of nonbonding electrons. In other words, it is an electron-pair acceptor.
  • They are often used to speed up chemical reactions.
  • Lewis superacids are stronger than antimony pentafluoride– strongest Lewis acid — and can break even toughest bonds.
  • A Lewis base is any substance, such as OH- ion, that can donate a pair of nonbonding electrons. Therefore, it is an electron-pair donor.

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