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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 · 2021 · Mains Paper I

Q8(a). Complexometric titration curve

Question

Explain the complexometric titration curve for the titration of EDTA vs. Mⁿ⁺ ion solution.

Model answer

The free solution for 2021 answers questions 1, 2, 5, 6, 9 and 11, the ones picked in its time plan. Question 8 is answered in full in the Geo-Scientist Chemistry Paper I, 2021 to 2025 book, with every part of every paper.

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Cover of UPSC Combined Geo-Scientist (Main) Chemistry Paper I: Model Answers 2021 to 2025
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UPSC Combined Geo-Scientist (Main) Chemistry Paper I: Model Answers 2021 to 2025

  • All eleven questions of each paper, with the question printed above its answer
  • Titration, gravimetric and nuclear numericals worked with units; structures drawn
  • Topic-wise weightage and a topic-wise index
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Topic notes: EDTA titrations, metal-ion indicators and masking, with every Civil Services, IFoS and Geo-Scientist PYQ →

Coverscomplexometric titration curveEDTApMconditional formation constantalpha fraction

All parts of Question 8