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 · 2022 · Paper II, Chemistry · Q36 of 120

Geo-Scientist Prelims 2022 Chemistry Q36: What will be the pH of a buffer solution, prepared by mixing of 10…

QuestionIonic equilibrium / buffer pH

What will be the pH of a buffer solution, prepared by mixing of 10 mL of 0·1 M acetic acid and 10 mL of 0·01 M sodium acetate? (pK_a of acetic acid = 4·76)

  1. (a) Approximately 2·6
  2. (b) Approximately 3·8
  3. (c) Approximately 4·2
  4. (d) Approximately 5·8

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