The E 0 value for the reduction of MnO 4 - to Mn 2+ should be determined and compared with the tabulated value. Concept introduction: In an electrochemical cell, there are two electrodes that can be observed. If oxidation takes place on an electrode, that electrode is called anode. The species in that electrode remove electrons and itself gets oxidized. If reduction takes place on an electrode, that electrode is called cathode. The species in that electrode absorbs electrons and itself gets reduced. The electrode potential of cell can be calculated as follows: E 0 cell = E 0 cathode − E 0 anode

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Chapter 23, Problem 26E

Interpretation Introduction

Interpretation:

The E⁰ value for the reduction of MnO₄- to Mn²⁺ should be determined and compared with the tabulated value.

Concept introduction:

In an electrochemical cell, there are two electrodes that can be observed.

If oxidation takes place on an electrode, that electrode is called anode. The species in that electrode remove electrons and itself gets oxidized.

If reduction takes place on an electrode, that electrode is called cathode. The species in that electrode absorbs electrons and itself gets reduced.

The electrode potential of cell can be calculated as follows:

E0cell= E0cathode − E0anode

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