The negative log function that determines the acidity or alkalinity by hydronium ion concentration is called pH.
The substance having high [tex]\rm [H][/tex] will have:
Option B. A low [tex]\rm [OH ^{-}][/tex] and a high [tex]\rm pOH[/tex]
This characteristic can be explained as:
[tex]\rm pH = \rm - log \rm [H^{+}][/tex]
From the formula, it can be deduced that when the concentration of [tex]\rm [H^{+}][/tex] is high then the pH has a low value and it means that the solution is acidic.
[tex]\rm pH + pOH &= 14 \\\\\rm pOH &= 14 - pH[/tex]
From this formula we can that when the value of pH is less then the value of pOH will be increased and vice versa.
Therefore, when pOH is in high concentration then [tex]\rm [OH ^{-}][/tex] is low.
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