What Is a Conjugate Acid-Base Pair for the Following Equilibrium

question 5

Multiple Choice

What is a conjugate acid-base pair for the following equilibrium?
H₂O(l) + HPO₄^2-(aq)
H₂PO₄^-(aq) + OH^-(aq)

• A)H₂O is an acid and HPO₄^2- is its conjugate base.
• B)HPO₄^2- is an acid and OH^- is its conjugate base.
• C)H₂O is an acid and OH^- is its conjugate base.
• D)HPO₄^2- is an acid and H₂PO₄^- is its conjugate base.
• E)HPO₄^2- is an acid and H₂O is its conjugate base.

---

Definitions:

Lower Tail

The portion of a distribution of data or probability to the left of a specified value.

P-value

A measure in statistical hypothesis testing that helps determine the significance of the results.

Type II Error

Occurs when a statistical test fails to reject a false null hypothesis; also known as a false negative.