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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 · Q18 of 120

Geo-Scientist Prelims 2022 Chemistry Q18: Which one of the following is correct regarding an ionic compound MX?

QuestionChemical bonding / ionic bond

Which one of the following is correct regarding an ionic compound MX?

  1. (a) High value of lattice energy of M⁺X⁻ ionic crystal
  2. (b) Electronegativity difference between M and X atoms is very small
  3. (c) High ionization energy of atom M
  4. (d) Low electron affinity of atom X

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