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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 · 2024 · Paper II, Chemistry · Q107 of 120

Geo-Scientist Prelims 2024 Chemistry Q107: Classify the following substituted styrenes with respect to their…

QuestionPolymers / ionic chain polymerisation

Classify the following substituted styrenes with respect to their preferred mode of addition polymerization and select the correct answer accordingly :

UPSC Combined Geo-Scientist Prelims 2024 Paper II (Chemistry), Q107: figure printed with the question
  1. (a) I and IV undergo anionic polymerization while II and III undergo cationic polymerization
  2. (b) III and IV undergo cationic polymerization while I and II undergo anionic polymerization
  3. (c) I, III and IV undergo cationic polymerization while II undergoes anionic polymerization
  4. (d) I and IV undergo cationic polymerization while II and III undergo anionic polymerization

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