VKC ScienceChemistry for written exams Telegram

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 · 2023 · Paper II, Chemistry · Q12 of 120

Geo-Scientist Prelims 2023 Chemistry Q12: A main group element has the following four successive ionization…

QuestionPeriodic properties / ionisation energy

A main group element has the following four successive ionization energies in MJ mol⁻¹ : 0·8995, 1·7571, 14·8487 and 21·0065. The element belongs to which group in the periodic table ?

  1. (a) Group II
  2. (b) Group XIII
  3. (c) Group XIV
  4. (d) Group XVI

Part of VKC Basic

Read the answer and its explanation with VKC Basic

VKC Basic (₹999 for 6 months) opens every solved answer, the notes, the handbook and the daily answer archive. Every Mains test series includes it.

See what is included Already a member? Sign in

Take this paper offlineAll 120 questions with answers and explanations in one PDF.
Download PDFJoin Telegram