Home/
Competitive Exams/
NEET/
Chemistry/
Equilibrium/
Question 24082
NEET Chemistry · Medium

Equilibrium: Degree ionisation MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow
Degree ionisationMediumQuestion 24082

Question

If a weak acid has Ka = 10−510^{-5} and concentration 0.1 M, [H+^+] is approximately:

  1. A
    10−310^{-3} M
    Correct
  2. B
    10−510^{-5} M
  3. C
    10−210^{-2} M
  4. D
    10−410^{-4} M

Correct answer

10−310^{-3} M

Explanation

10−5×10−1=10−3\sqrt{10^{-5}\times10^{-1}}=10^{-3}.

Review Equilibrium notesStart timed chapter practice