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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 · Q21 of 120

Geo-Scientist Prelims 2021 Chemistry Q21: Which one of the following will NOT precipitate AgCl while reacting…

QuestionCoordination chemistry / Werner theory

Which one of the following will NOT precipitate AgCl while reacting with excess of AgNO₃ solution at room temperature?
(The oxidation state of cobalt (Co) in all the complexes is +3)

  1. (a) CoCl₃.6NH₃
  2. (b) CoCl₃.5NH₃
  3. (c) CoCl₃.4NH₃
  4. (d) CoCl₃.3NH₃

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