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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 · Q81 of 120

Geo-Scientist Prelims 2023 Chemistry Q81: Which one of the following compounds is most stabilized by resonance ?

QuestionOrganic / resonance and steric inhibition

Which one of the following compounds is most stabilized by resonance ?

UPSC Combined Geo-Scientist Prelims 2023 Paper II (Chemistry), Q81: answer options as printed
  1. (a) N,N-Dimethylaniline (PhNMe₂)
  2. (b) 2,6-Dinitro-N,N-dimethylaniline
  3. (c) 2-Nitro-N,N-dimethylaniline
  4. (d) 2,3,6-Trinitro-N,N-dimethylaniline

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