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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 · 2022 · Paper II, Chemistry · Q81 of 120

Geo-Scientist Prelims 2022 Chemistry Q81: Which one of the following statements is not true about the…

QuestionAromaticity / cyclooctatetraene

Which one of the following statements is not true about the molecules I and II?

UPSC Combined Geo-Scientist Prelims 2022 Paper II (Chemistry), Q81: figure printed with the question
  1. (a) The structures of I and II are simply two resonance forms of the same molecule.
  2. (b) The structures of I and II represent different molecules.
  3. (c) I and II are non-aromatic in nature.
  4. (d) The dianions of I and II are aromatic in nature.

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