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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper I covers general studies.

UPSC Combined Geo-Scientist, Prelims · 2023 · Paper I, General Studies · Q60 of 120

Geo-Scientist Prelims 2023 General Studies Q60: Which one of the following statements about Fehling’s test is not…

QuestionOrganic chemistry / tests for carbonyls

Which one of the following statements about Fehling’s test is not correct?

  1. (a) Fehling’s A solution is aqueous copper sulphate.
  2. (b) Fructose gives a positive Fehling’s test.
  3. (c) Red-brown ppt of CuO is obtained in the reaction.
  4. (d) Aromatic aldehydes do not respond to this test.

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