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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 · 2017 · Mains Paper I

Q8(b). Zeise's salt and alkene bonding

Question

What is Zeise's salt? Explain its metal-ligand bonding interactions.

Answer in brief

Zeise's salt is K[PtCl₃(η²⁻C₂H₄)].H₂O; side-on ethene binds through synergic alkene-to-metal donation and metal-to-alkene back-donation.

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The full model answer

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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CoversZeise's saltalkene bondingOrganometallic bonding

All parts of Question 8