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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 · Q112 of 120

Geo-Scientist Prelims 2022 Chemistry Q112: Arrange the following alkyl benzenes in decreasing order of…

QuestionAromatic substitution / steric effects

Arrange the following alkyl benzenes in decreasing order of percentage of ortho/para ratio of products formed in nitration reaction :

  1. I. Toluene
  2. II. Cumene
  3. III. tert-Butylbenzene
  4. IV. Ethylbenzene
  1. (a) II > III > I > IV
  2. (b) I > IV > II > III
  3. (c) III > II > IV > I
  4. (d) IV > II > III > I

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