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UPSC Combined Geo-Scientist

Chemist

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

Mains Paper III covers analytical and organic chemistry.

UPSC Combined Geo-Scientist, Mains · 2020 · Mains Paper III

Q3(a). Thermogravimetry of Ca, Ba and Sr oxalate monohydrates

Question

How will you analyse a mixture containing CaC₂O₄·H₂O, BaC₂O₄·H₂O and SrC₂O₄·H₂O by thermogravimetry? State the strategy in brief.

Model answer

The free solution for 2020 answers questions 1, 2, 4, 6, 8 and 10, the ones picked in its time plan. This part is not answered on the site yet. New answers are announced on Telegram.

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CoversthermogravimetryTGA of oxalatescalcium oxalatedecomposition steps

All parts of Question 3