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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 · 2022 · Paper II, Chemistry · Q20 of 120

Geo-Scientist Prelims 2022 Chemistry Q20: According to Fajans' rule, which one of the following conditions is…

QuestionChemical bonding / Fajans' rules

According to Fajans' rule, which one of the following conditions is necessary to form a covalent bond?

  1. (a) Large cation and large anion
  2. (b) Small cation and small anion
  3. (c) Small cation and large anion
  4. (d) Large cation and small anion

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