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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 · 2026 · Paper II, Chemistry · Q7 of 120

Geo-Scientist Prelims 2026 Chemistry Q7: Which one of the following statements regarding general properties…

QuestionPeriodic table / block properties

Which one of the following statements regarding general properties of s, p, d and f-block elements is NOT correct ?

  1. (a) The compounds of s and p-block elements are mostly white in color
  2. (b) All s-block elements are metals
  3. (c) Most stable oxidation state for all lanthanides is 3+
  4. (d) The complexing ability of lanthanides is more in comparison with the d-block elements

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