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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 · Q15 of 120

Geo-Scientist Prelims 2021 Chemistry Q15: Consider the following statements:

QuestionChemical bonding / MOT

Consider the following statements:

  1. N₂ molecule is paramagnetic
  2. O₂ molecule is diamagnetic
  3. CO⁺ has more bond order than CO
  4. NO⁺ has less bond order than NO

Which of the statement(s) given above is/are correct?

  1. (a) 1 and 4
  2. (b) 1 and 2
  3. (c) 3
  4. (d) 2 only

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