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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 · Q14 of 120

Geo-Scientist Prelims 2021 Chemistry Q14: What kind of defect(s) appear in AgBr crystal?

QuestionSolid state / defects

What kind of defect(s) appear in AgBr crystal?

  1. (a) Schottky and Frenkel
  2. (b) Frenkel only
  3. (c) Schottky only
  4. (d) Metal excess defect

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