Standard Electrode Potentials (HSC SSCE Chemistry): Quizzes

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Standard Electrode Potentials
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What is the EMF of a galvanic cell?

Maximum voltage when small current flows

What is the standard electrode potential of the standard hydrogen electrode?

0.00 V0.00 \, \text{V}

Why is platinum used in the standard hydrogen electrode?

It conducts well and is chemically inert

What is the standard concentration for dissolved substances in electrochemical measurements?

1.000 mol L−11.000 \, \text{mol L}^{-1}

What type of reactions do standard electrode potentials always refer to?

Reduction reactions

What does a positive ε∘\varepsilon^{\circ} value indicate?

The reduction is favoured

Which species is the strongest oxidising agent according to the table?

F2\text{F}_2

Where in the table are the strongest reducing agents found?

At the bottom with negative values

What is the standard electrode potential for Cu2++2e−→Cu\text{Cu}^{2+} + 2\text{e}^- \rightarrow \text{Cu}?

+0.34 V+0.34 \, \text{V}

When comparing two half-cells, which one will be reduced?

The one with more positive ε∘\varepsilon^{\circ}

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