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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 · 2025 · Paper II, Chemistry · Q113 of 120

Geo-Scientist Prelims 2025 Chemistry Q113: The major product formed in the following reaction is :

QuestionOrganic / benzyne, tandem addition-cyclisation

The major product formed in the following reaction is :

UPSC Combined Geo-Scientist Prelims 2025 Paper II (Chemistry), Q113: figure printed with the question
UPSC Combined Geo-Scientist Prelims 2025 Paper II (Chemistry), Q113: answer options as printed
  1. (a) 2-[Cyano(4-methylphenyl)methyl]-4-methoxybenzoic acid
  2. (b) 3-[Cyano(4-methylphenyl)methyl]-4-methoxybenzoic acid
  3. (c) 3-Cyano-4-methoxy-2-(4-methylbenzyl)benzoic acid
  4. (d) 2-Cyano-4-methoxy-3-(4-methylbenzyl)benzoic acid

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