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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 · 2023 · Paper II, Chemistry · Q19 of 120

Geo-Scientist Prelims 2023 Chemistry Q19: Which one of the following statements regarding oxides of Nitrogen…

Questionp-block / oxides of nitrogen

Which one of the following statements regarding oxides of Nitrogen (NO and NO₂) is not correct ?

  1. (a) NO can bind with metal ions to form complexes but NO₂ cannot.
  2. (b) NO is a colourless gas but NO₂ is a brown gas.
  3. (c) Both NO and NO₂ are oxidizing agents.
  4. (d) NO₂ is reluctant to dimerisation while NO dimerises readily.

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