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 · 2025 · Paper II, Chemistry · Q30 of 120

Geo-Scientist Prelims 2025 Chemistry Q30: Which one of the following will not make an acidic buffer solution ?

QuestionIonic equilibrium / buffers

Which one of the following will not make an acidic buffer solution ?

  1. (a) 100 mL 0.1 N CH₃COOH (aq) + 25 mL 0.4 N NaOH (aq)
  2. (b) 100 mL 0.1 N CH₃COOH (aq) + 25 mL 0.3 N NaOH (aq)
  3. (c) 100 mL 0.1 N CH₃COOH (aq) + 25 mL 0.2 N NaOH (aq)
  4. (d) 100 mL 0.1 N CH₃COOH (aq) + 25 mL 0.1 N NaOH (aq)

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