Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryIonic Equilibria2 Marks
Question
Define ionic product of water.
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Answer
lonic product of water : It is defined as the product of molar concentrations of hydronium ions (or hydrogen ions) and hydroxyl ions at equilibrium in pure water at constant temperature. It is represented as, $\begin{aligned} & K _{ w }=\left[ H _3 O ^{+}\right] \times\left[ OH ^{-}\right] \\ & \text {At } 25^{\circ} C , K _{ w }=1 \times 10^{-14} \end{aligned}$
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