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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 · Q95 of 120

Geo-Scientist Prelims 2023 Chemistry Q95: Deprotection of phenyl methyl ether with HI goes via :

QuestionOrganic / ether cleavage

Deprotection of phenyl methyl ether with HI goes via :

  1. (a) SN2 attack at sp³ carbon
  2. (b) SN1 attack at sp² carbon
  3. (c) SN2 attack at sp² carbon
  4. (d) SN1 attack at sp³ carbon

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