Chapter 16, Problem 81E

Interpretation Introduction

Interpretation:

The metal that can reduce ${\text{Al}}^{3+}$ but not ${\text{Na}}^{+}$ is to be identified with the help of activity series.

Concept introduction:

Metals that accept electrons easily are reduced easily while metals that do not accept electrons easily have lower tendency of reduction.

In the activity series, top metals reduce bottom metals easily while the metals present at the bottom are unable to reduce the above metals as they cannot lose electrons easily.