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Ionic Equilibria — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryIonic Equilibria1 Mark
MCQ
The pH of a solution is $5$, when the hydroxyl ion concentration is
  • A
    $10^{-5} mol / dm ^3$
  • B
    $10^{-7} mol / dm ^3$
  • ✓
    $10^{-9} mol / dm ^3$
  • D
    $10^{-14} mol / dm ^3$
✓

Answer

Correct option: C.
$10^{-9} mol / dm ^3$

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