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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 · Q114 of 120

Geo-Scientist Prelims 2022 Chemistry Q114: Which one of the following statements is not true about the…

QuestionAromatic substitution / SNAr

Which one of the following statements is not true about the reactivity towards aromatic nucleophilic substitution reaction?

  1. (a) 2-Chloropyridine is more reactive than chlorobenzene.
  2. (b) Iodobenzene is more reactive than fluorobenzene.
  3. (c) 2-Chloronitrobenzene is more reactive than 3-Chloronitrobenzene.
  4. (d) 2-Chloropyridine is more reactive than 3-Chloropyridine.

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