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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 · Q96 of 120

Geo-Scientist Prelims 2025 Chemistry Q96: The following table shows the response of chemical analysis of…

QuestionOrganic / functional group tests

The following table shows the response of chemical analysis of compounds A – D using the indicated reagents :

UPSC Combined Geo-Scientist Prelims 2025 Paper II (Chemistry), Q96: figure printed with the question

The compounds A – D on the basis of above data are :

  1. (a) A = tert-pentyl alcohol, B = n-pentyl bromide, C = isobutylene, D = isobutane
  2. (b) A = isobutane, B = n-pentyl bromide, C = isobutylene, D = tert-pentyl alcohol
  3. (c) A = isobutane, B = tert-pentyl alcohol, C = isobutylene, D = n-pentyl bromide
  4. (d) A = n-pentyl bromide, B = isobutylene, C = tert-pentyl alcohol, D = isobutane

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