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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 · 2024 · Paper II, Chemistry · Q13 of 120

Geo-Scientist Prelims 2024 Chemistry Q13: Carbon is able to show allotropic forms due to

Questionp-block / carbon allotropy

Carbon is able to show allotropic forms due to

  1. (a) its smaller size
  2. (b) its higher electronegativity
  3. (c) its higher ionization enthalpy and unavailability of d-orbitals
  4. (d) catenation and pπ—pπ bond formation

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