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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 · Q85 of 120

Geo-Scientist Prelims 2023 Chemistry Q85: Which one of the following statements regarding free radicals is…

QuestionOrganic / free radicals

Which one of the following statements regarding free radicals is not correct ?

  1. (a) Carbon free radical is paramagnetic in nature.
  2. (b) Free radicals are formed by homolytic bond fission.
  3. (c) Stability order of free radicals for the following species is : H₂C=CHĊH₂ > Ph₃Ċ > Ph₂ĊH > PhĊH₂.
  4. (d) p-Benzoquinone acts as an inhibitor for free-radical reactions.

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