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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

Q5(c). Bonding in metal carbonyls

Question

Discuss the bonding of CO in metal carbonyls. Find EAN of metal atoms in Ni(CO)₄ and Fe(CO)₅. Also give their structures.

Answer in brief

CO forms a synergic σ-donor/π-acceptor bond. Both carbonyls have EAN 36; Ni(CO)₄ is tetrahedral and Fe(CO)₅ trigonal bipyramidal.

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CoversBonding in metal carbonylsOrganometallic chemistry

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