The Autoionization of Pure Water,as Represented by the Equation Below,is $\Delta$

question 22

Multiple Choice

The autoionization of pure water,as represented by the equation below,is known to be endothermic ( $\Delta$ _rH > 0.Which of the following correctly states what occurs as the temperature of pure water is raised?
H₂O(l) + H₂O(l) H₃O⁺(aq) + OH^-(aq) $\Delta$ _rH > 0

• A) K_w decreases,and the hydronium ion concentration decreases.
• B) K_w decreases,and the hydronium ion concentration increases.
• C) K_w and the hydronium ion concentration do not change.
• D) K_w increases,and the hydronium ion concentration decreases.
• E) K_w increases,and the hydronium ion concentration increases.

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