Standard Electrode Potentials and Reactivity of Metals (HSC SSCE Chemistry): Flashcards

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Standard Electrode Potentials and Reactivity of Metals
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Half-rxn that proceeds forward has what ε°\varepsilon°?

Algebraically larger ε°\varepsilon°

More negative ε°\varepsilon° means metal is...

More reactive

Spontaneous redox rxn criterion for E°totalE°_{total}

Positive (E°total>0E°_{total} > 0)

Greater ε°\varepsilon° = stronger...

Oxidising agent

More negative ε°\varepsilon° = stronger...

Reducing agent

Other half-rxn is driven in what direction?

Reverse

As ε°\varepsilon° increases, metal reactivity...

Decreases

What is a spontaneous reaction?

Occurs naturally without external energy input

Mg (ε°\varepsilon°=-2.37V) vs Al (-1.66V): more reactive?

Mg (more negative ε°\varepsilon°)

Formula for total cell voltage

E°total=E°1+E°2E°_{total} = E°_1 + E°_2

Explore HSC SSCE Chemistry Revision Notes by Topics

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Types of Chemical Reaction

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Rates of Reaction

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Types of Chemical Reaction

Reactions of Metals

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Rates of Reaction

Explore HSC SSCE Chemistry Exam Questions by Topics

Types of Chemical Reaction

Reactions of Metals

Galvanic Cells and Standard Electrode Potentials

Rates of Reaction

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