Phosphoric Acid Is a Triprotic Acid, Ionizing in the Following $\leftrightarrows$

question 125

Multiple Choice

Phosphoric acid is a triprotic acid, ionizing in the following sequential steps:
H₃PO₄ + H₂O $\leftrightarrows$ H₂PO₄^- + H₃O⁺ $K _{ a _{1}}$
H₂PO₄^- + H₂O $\leftrightarrows$ HPO₄^2- + H₃O⁺ $K _ { a _ { 2 } }$
HPO₄^2- + H₂O $\leftrightarrows$ PO₄^3- + H₃O⁺ $K _ { a _ { 1 } }$
What is the K_b expression for the base, dihydrogen phosphate?

• A) \(K _ { a _ { 1 } }\)
• B) \(\frac { 1 } { K _ { \mathrm { a } _ { 1 } } }\)
• C) \(\frac { K _ { w } } { K _ { \mathrm { a } _ { 1 } } }\)
• D) \(K _ { W } \times K _ { a _ { 1 } }\)
• E) \(\frac { K _ { a _ { 1 } } } { K _ { W } }\)

---

Definitions:

Trait Theory

A perspective in psychology that posits personality is composed of a set of stable characteristics or traits that influence individual behaviors and thoughts.

Carl Jung

A Swiss psychiatrist and psychoanalyst who founded analytical psychology, known for concepts such as the collective unconscious and archetypes.

Marketing Messages

Communication strategies used by marketers to convey the value and benefits of products or services to potential customers.

Kellogg's

A multinational food manufacturing company best known for its cereal and convenience foods.