A) For a netural solution \[[{{H}^{+}}]=[O{{H}^{-}}]=\sqrt{{{K}_{w}}}\]
B) For an acidic solution\[[{{H}^{+}}]>\sqrt{{{K}_{w}}}\] and\[[O{{H}^{-}}]<\sqrt{{{K}_{w}}}\]
C) For an alkaline solution\[[{{H}^{+}}]<\sqrt{{{K}_{w}}}\] and \[[O{{H}^{-}}]>\sqrt{{{K}_{w}}}\]
D) For a neutral solution \[[{{H}^{+}}]=[O{{H}^{-}}]={{10}^{-7}}M\]at all temperatures
Correct Answer: D
Solution :
The statement [d] is applicable only at \[25{}^\circ C\] and is not independent of temperature.
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