The Equilibrium Expression for the Ionization of a Weak Monoprotic

question 178

Multiple Choice

The equilibrium expression for the ionization of a weak monoprotic acid, HA, in water is:

• A) K_a = [HA]/[OH^-][H₃O⁺]
• B) K_a = [OH^-][H₃O⁺]/[HA]
• C) K_a = [H₃O⁺][HA]/[A^-]
• D) K_a = [H₃O⁺][A^-]/[HA]
• E) K_a = [HA]/[H₃O⁺][A^-]

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Definitions:

Maxilla

The upper jawbone in most vertebrates, forming part of the skull and housing the upper teeth.

Occipital

Pertaining to the occipital bone or region, located at the back and lower part of the skull, crucial for visual processing.

Temporal

Relating to time or the temples of the skull.

Sphenoid

The sphenoid is a complex bone at the base of the skull, helping to form the orbits of the eyes and housing the pituitary gland.