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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

Q2(a). VSEPR shapes

Question

Using a VSEPR model, arrive at and draw the shape of (i) XeO₂F₂, and (ii) SO₂Cl₂.

Answer in brief

XeO₂F₂ is a seesaw molecule (AX₄E); SO₂Cl₂ is approximately tetrahedral (AX₄).

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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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CoversVSEPR shapesMolecular geometry

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