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UPSC Combined Geo-Scientist

Chemist

  • 3 descriptive papers
  • 200 marks each
  • 3 h per paper

Mains Paper I covers inorganic chemistry.

UPSC Combined Geo-Scientist, Mains · 2016 · Mains Paper I

Q6(b). Lewis acids and bases

Question

Explain the Lewis concept of acids and bases.

Answer in brief

A Lewis acid accepts an electron pair; a Lewis base donates an electron pair. Their reaction forms a coordinate bond.

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As written for the answer booklet: the diagram carries the working, the lines stay short. Read here only; it is not offered as a download.

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CoversLewis acidsbasesAcid–base concepts

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