Standard Electrode Potential (6)

Chemistry

Question

Standard Electrode Potential (6)

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Atoms or ions with a more negative or less positive standard electrode potential value, E° (2)

Easier to undergo oxidation reaction

Atoms or ions with a more negative or less positive standard electrode potential value, E° (3)

A stronger reducing agent

Way to identify the oxidising agent and reducing agent reaction that occur between copper, Cu and silver nitrate, AgNO3 (1)

The standard electrode potential value, E0 is arranged from the most negative to the most positive. Cu2+ + 2e− ⇌ Cu E° = + 0.34 V Ag+ + e− ⇌ Ag E° = + 0.80 V

Way to identify the oxidising agent and reducing agent reaction that occur between copper, Cu and silver nitrate, AgNO3 (2)(i)

When E° value of Cu is more negative or less positive than E° of Ag, copper, Cu is a stronger reducing agent compared to silver, Ag

Way to identify the oxidising agent and reducing agent reaction that occur between copper, Cu and silver nitrate, AgNO3 (2)(ii)

When E° value of Cu is more negative or less positive than E° of Ag, copper, therefore, copper atom, Cu has a greater tendency to release electrons to form copper(II) ions, Cu2+

Way to identify the oxidising agent and reducing agent reaction that occur between copper, Cu and silver nitrate, AgNO3 (2)(iii)

When E° value of Cu is more negative or less positive than E° of Ag, copper, Copper, Cu undergoes oxidation reaction

Way to identify the oxidising agent and reducing agent reaction that occur between copper, Cu and silver nitrate, AgNO3 (3) (i)

When the E° value of Ag is more positive than E° of Cu, the silver ion, Ag+ is a stronger oxidising agent than copper(II) ions, Cu2+

Way to identify the oxidising agent and reducing agent reaction that occur between copper, Cu and silver nitrate, AgNO3 (3) (ii)

When the E° value of Ag is more positive than E° of Cu, therefore, silver ion, Ag+ has a greater tendency to receive electrons to form silver atom, Ag

Way to identify the oxidising agent and reducing agent reaction that occur between copper, Cu and silver nitrate, AgNO3 (3) (iii)

When the E° value of Ag is more positive than E° of Cu, silver ion, Ag+ undergoes reduction

Way to identify the oxidising agent and reducing agent reaction that occur between copper, Cu and silver nitrate, AgNO3 (4)

The displacement reaction occurs between the strong reducing agent that is copper, Cu and the strong oxidising agent that is silver ion, Ag+

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Standard Electrode Potential (6)

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