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Study 3.2.12 (HL)—Standard electrode potential (E⦵) conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

[Maximum number: 2]

Magnesium is a group 2 metal which exists as a number of isotopes and forms many compounds.

Standard electrode potentials are measured relative to the standard hydrogen electrode. Describe a standard hydrogen electrode.

Any two of:

«inert» Pt electrode

OR

platinum black conductor

$1 \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{H}^{+}(\mathrm{aq})$ $\mathrm{H}_{2}(\mathrm{~g})$ at 100 kPa

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IB Chemistry HL 3.2.12 Hl Standard Electrode Potential E Topic Practice

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