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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 · Q19 of 120

Geo-Scientist Prelims 2022 Chemistry Q19: Which one of the following represents the correct order of lattice…

Questions-block / lattice energy

Which one of the following represents the correct order of lattice energy of oxides among the given alkaline earth metals?

  1. (a) BeO < MgO < CaO < SrO < BaO
  2. (b) BeO < SrO < MgO < CaO < BaO
  3. (c) BaO < MgO < CaO < SrO < BeO
  4. (d) BaO < SrO < CaO < MgO < BeO

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