Chapter 17, Problem 98QRT

Interpretation Introduction

Interpretation:

The cell out of cell that contains ${\text{Zn}}^{\text{2+}}$ solution and cell that contains ${\text{Cr}}^{\text{3+}}$ solution which produces greater mass after $5\min$ has to be identified.  The explanation for the corresponding answer has to be stated.

Concept Introduction:

When electricity is passed through an ionic compound or through an electrolyte, a chemical reaction takes place that is known as electrolysis.  The apparatus where electrolysis takes place is known as an electrolytic cell.  The sign of cathode is negative where reduction takes place and anode sign is positive where oxidation takes place.