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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 · Q89 of 120

Geo-Scientist Prelims 2025 Chemistry Q89: Consider the following statements regarding the stereochemistry of…

QuestionStereochemistry / disubstituted cyclohexanes

Consider the following statements regarding the stereochemistry of 1, 4-dichlorocyclohexane :

  1. It can exist as enantiomers but no diastereomers are possible.
  2. It can exist as enantiomers as well as diastereomers.
  3. It can exist as diastereomers but no enantiomers are possible.

Which of the statement(s) given above is/are correct ?

  1. (a) 1 and 2
  2. (b) 2 only
  3. (c) 2 and 3
  4. (d) 3 only

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