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2 H2O(l) ⇄ H3O+(aq) + OH-(aq) The autoionization of water is represented by the equation above. ValuEquilibrium Chemistry Question

Question

2 H2O(l) ⇄ H3O+(aq) + OH-(aq)

The autoionization of water is represented by the equation above. Values of pKw at various temperatures are listed in the table below.

[VISUAL]

Based on the information above, which of the following statements is true?

A.

The dissociation of water is an exothermic process.

B.

The pH of pure water is 7.00 at any temperature.

C.

As the temperature increases, the pH of pure water increases.

D.

As the temperature increases, the pH of pure water decreases.

✓ Correct
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