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UPSC Combined Geo-Scientist

Chemist

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

Prelims Paper I covers general studies.

UPSC Combined Geo-Scientist, Prelims · 2024 · Paper I, General Studies · Q39 of 120

Geo-Scientist Prelims 2024 General Studies Q39: Which one of the following Ni(II) complexes is diamagnetic and has…

QuestionCoordination compounds / VBT and magnetism

Which one of the following Ni(II) complexes is diamagnetic and has tetrahedral geometry ?

  1. (a) [NiCl₄]²⁻
  2. (b) [Ni(CO)₄]
  3. (c) [Ni(NH₃)₄]²⁺
  4. (d) [Ni(CN)₄]²⁻

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