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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper II covers chemistry.

UPSC Combined Geo-Scientist, Prelims · 2021 · Paper II, Chemistry · Q79 of 120

Geo-Scientist Prelims 2021 Chemistry Q79: Consider the following plot for the conductometric titration:

QuestionElectrochemistry / conductometric titrations

Consider the following plot for the conductometric titration:

UPSC Combined Geo-Scientist Prelims 2021 Paper II (Chemistry), Q79: figure printed with the question

Which one of the following is correct in respect of above plot?

  1. (a) Plot I is for weak acid vs weak alkali; plot II is for weak acid vs strong alkali
  2. (b) Plot I is for strong acid vs strong alkali; plot II is for AgNO₃ solution vs NH₄Cl solution
  3. (c) Plot I is for AgNO₃ solution vs HCl; plot II is for AgNO₃ vs KCl
  4. (d) Plot I is for weak acid vs strong alkali; plot II is for weak acid vs weak alkali

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