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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 · Q114 of 120

Geo-Scientist Prelims 2024 Chemistry Q114: The major products [X] and [Y] formed in the following reactions are

QuestionAromatic substitution / directing effects

The major products [X] and [Y] formed in the following reactions are

UPSC Combined Geo-Scientist Prelims 2024 Paper II (Chemistry), Q114: figure printed with the question
UPSC Combined Geo-Scientist Prelims 2024 Paper II (Chemistry), Q114: answer options as printed
  1. (a) [X] = Cl ortho to O on the 3,4-dimethylphenyl ring; [Y] = para-nitro benzalacetone
  2. (b) [X] = Cl ortho to O on the 3,4-dimethylphenyl ring; [Y] = meta-nitro benzalacetone
  3. (c) [X] = Cl para to O (between the two Me) on the 3,5-dimethylphenyl ring; [Y] = para-nitro benzalacetone
  4. (d) [X] = Cl para to O (between the two Me) on the 3,5-dimethylphenyl ring; [Y] = meta-nitro benzalacetone

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