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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 · Q14 of 120

Geo-Scientist Prelims 2025 Chemistry Q14: The oxidation state of Cerium in Ceric sulphate is :

Questionf-block / oxidation states

The oxidation state of Cerium in Ceric sulphate is :

  1. (a) Ce²⁺
  2. (b) Ce³⁺
  3. (c) Ce⁴⁺
  4. (d) Ce⁵⁺

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