Chapter 14, Problem 16QRT

(a)

Interpretation Introduction

Interpretation:

${\text{O}}^{2-}$ and ${\text{H}}_3{\text{O}}^{+}$ are conjugate acid-base pair or not has to be given.

Concept Introduction:

Conjugate acid-base are simply a pair of molecules or ions that are related to each other by loss or gain of a single proton.  Difference between conjugate acid-base pair is ${\text{H}}^{\text{+}}$ ion.  For a Brønsted-Lowry acid, the conjugate base has fewer ${\text{H}}^{\text{+}}$ and for Brønsted-Lowry base, the conjugate acid has more ${\text{H}}^{\text{+}}$.

(b)

Interpretation Introduction

Interpretation:

${\text{H}}_3{\text{O}}^{+}$ and ${\text{O}}^{2-}$ are conjugate acid-base pair or not has to be given.

Concept Introduction:

Refer part (a).

(c)

Interpretation Introduction

Interpretation:

${\text{NH}}_{\text{2}}{}^{-}$ and ${\text{NH}}_{\text{3}}$ are conjugate acid-base pair or not has to be given.

Concept Introduction:

Refer part (a).

(d)

Interpretation Introduction

Interpretation:

${\text{NH}}_{\text{3}}$ and ${\text{NH}}_{\text{4}}{}^{+}$ are conjugate acid-base pair or not has to be given.

Concept Introduction:

Refer part (a).

(e)

Interpretation Introduction

Interpretation:

${\text{O}}^{2-}$ and ${\text{H}}_2\text{O}$ are conjugate acid-base pair or not has to be given.

Concept Introduction:

Refer part (a).