Chapter 23, Problem 23.14QAP

Interpretation Introduction

(a)

Interpretation:

The standard potential for the following reaction should be predicted.

$\text{CuBr}\left(s\right)+{\text{e}}^{-}\rightleftharpoons \text{Cu}\left(s\right)+{\text{Br}}_{\text{2}}$

Concept introduction:

Indicator electrode is a type of electrode that is used in potentiometric titrations. It is used as an endpoint indicator. Membrane electrode and metallic electrodes are classify as indicator electrodes

Interpretation Introduction

(b)

Interpretation:

The schematic representation of a cell with a copper indicator electrode and a reference SCE should be stated.

Concept introduction:

Indicator electrode is a type of electrode that is used in potentiometric titrations. It is used as an endpoint indicator. Membrane electrode and metallic electrodes are classify as indicator electrodes

Interpretation Introduction

(c)

Interpretation:

The equation that relates the measured potential of the cell in (b) to pBr should be predicted.

Concept introduction:

Indicator electrode is a type of electrode that is used in potentiometric titrations. It is used as an endpoint indicator. Membrane electrode and metallic electrodes are classify as indicator electrodes

Interpretation Introduction

(d)

Interpretation:

The pBr of a bromide-containing solution which is saturated with CuBr and consist in the cell described in (b) when the resulting potential is -0.078 V should be predicted.

Concept introduction:

Indicator electrode is a type of electrode that is used in potentiometric titrations. It is used as an endpoint indicator. Membrane electrode and metallic electrodes are classify as indicator electrodes