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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

Q9(a). Classification of silicates

Question

Explain the structures of different types of silicates.

Answer in brief

Silicates are built from SiO₄ tetrahedra linked by shared corners; increasing oxygen sharing gives discrete units, chains, sheets and frameworks.

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CoversClassification of silicatesMain-group structural chemistry

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