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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 · Q10 of 120

Geo-Scientist Prelims 2021 Chemistry Q10: Consider the following statements regarding the properties of…

Questionp-block / oxides of nitrogen

Consider the following statements regarding the properties of Nitric oxide (NO):

  1. Nitric oxide gas is paramagnetic but liquid nitric oxide is diamagnetic
  2. Nitric oxide gas is diamagnetic but liquid nitric oxide is paramagnetic
  3. Nitric oxide is a neutral oxide and is not an acid anhydride

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

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

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