Chapter 20, Problem 90E

(a)

Interpretation Introduction

To determine: The definition of electrolytic cell.

(b)

Interpretation Introduction

To determine: If the electrode connected to negative terminal is anode or cathode of the cell.

(c)

Interpretation Introduction

To determine: A role of sulfuric acid in the electrolysis of water.

(d)

Interpretation Introduction

To determine: An explanation for obtaining active metals such as $\text{Al}$ by the electrolysis of molten salt rather than aqueous solution.