Standard Electrode Potentials (AQA A-Level Chemistry): Quizzes

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Standard Electrode Potentials
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What is the standard temperature for measuring electrode potentials?

298 K

What is the standard concentration for ionic species in electrode potential measurements?

1.001.00 mol dm−3^{-3}

What is the standard electrode potential of the standard hydrogen electrode (SHE)?

0.000.00 V

In electrode potential measurements, what role does the SHE serve?

Anode (negative electrode)

What type of EθE^\theta values do more reactive metals have in the electrochemical series?

More negative

What type of EθE^\theta values do more reactive non-metals have?

More positive

What is the formula for calculating the EMF of an electrochemical cell?

Ereductionθ−EoxidationθE^\theta_{reduction} - E^\theta_{oxidation}

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

+0.34+0.34 V

Calculate the EMF for a Mg/Ag cell where EθE^\theta(Mg) = −2.38-2.38 V and EθE^\theta(Ag) = +0.80+0.80 V.

3.183.18 V

What instrument is used to measure potential difference in a simple electrochemical cell?

High-resistance voltmeter

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Thermodynamics (A Level only)

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Thermodynamics (A Level only)

Rate Equations (A Level only)

Equilibrium constant (Kp) for Homogeneous Systems (A Level only)

Electrode Potentials & Electrochemical Cells (A Level only)

Fundamentals of Acids & Bases (A Level only)

Further Acids & Bases Calculations (A Level only)

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