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3. Given 1) C...

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3. Given 1) Cu2+ + 2e- = Cu , E0=0.337V 2) Cu2+ + e- = Cu+ , E0=0.153V electrode potential for the reaction Cu+ + e- = Cu, will be?

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C u^{2 +} + 2 e^{-} ⟶ C u

E^{0} = 0.337 V

C u^{2 +} + e^{-} ⟶ C u^{+}

E^{0} = 0.153 V

Electrode potential,

E^{0}

for the reaction

C u^{+} + e^{-} ⟶ C u

{C u}^{2 +} + {2 e}^{-} \to C u, E^{o} = + 0.337 V

{C u}^{2 +} + e^{-} \to C u^{+} E^{o} = + 0.153 V

Electrode potential,

E^{0}

for the reaction will be:

{C u}^{+} + e^{-} \to C u

{C u}^{2 +} + {2 e}^{-} \to C u, E^{\circ} = 0.337 V

{C u}^{2 +} + e^{-} \to C u^{+}, E^{\circ} = 0.153 V

Elctrode potential,

E^{\circ}

for the the reaction,

{C u}^{+} + e^{-} \to C u,

C u^{2 +} + 2 e^{-} \to C u, E^{\circ} = 0.337 V

C u^{2 +} + e^{-} \to C u^{+}, E^{\circ} = 0.153 V

Electrode potential,

E^{\circ}

for the reaction,

C u^{+} + e^{-} \to C u

Q. The standard reduction potentials for

C u^{2 +} / C u

C u^{2 +} / C u^{+}

0.337 V

0.153 V

respectively. The standard electrode potential of

C u^{+} / C u

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Standard XII Chemistry