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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 · 2021 · Paper II, Chemistry · Q72 of 120

Geo-Scientist Prelims 2021 Chemistry Q72: What will be the correct order of mobility of the following ions in…

QuestionElectrochemistry / ionic mobility

What will be the correct order of mobility of the following ions in aqueous solution at 298 K?

  1. (a) Cl⁻ > F⁻ > SO₄²⁻ > Br⁻
  2. (b) F⁻ > SO₄²⁻ > Br⁻ > Cl⁻
  3. (c) SO₄²⁻ > Br⁻ > Cl⁻ > F⁻
  4. (d) Br⁻ > SO₄²⁻ > Cl⁻ > F⁻

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