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Determine the oxidizing strengths of metal ions Cu2+, Zn2+, Mg2+, Ag+

Determine the oxidizing strengths of metal ions Cu2+, Zn2+, Mg2+, Ag+

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Answer #1

The reduction potentials (how likley they are to REDUCE)

Cu2+ + 2 e− is in equilibrium with Cu(s) +0.337

Zn2+ + 2 e− is in equilibrium with Zn(s) −0.7618

Mg2+ + 2 e− is in equilibrium with Mg(s) −2.372

Ag+ + e− is in equilibrium with Ag(s) +0.7996

then, if we want the OXIDATION strneght, we must invert every set

Cu(s) is in equilibrium with Cu2+ + 2 e− -0.337

Zn(s)is in equilibrium with Zn2+ + 2 e−  +0.7618

Mg(s) is in equilibrium with Mg2+ + 2 e− +2.372

Ag(s) is in equilibrium with Ag+ + e− -0.7996

the most easy to oxidize will be Mg

the least will be AG

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