AMU Engineering 2018 solved paper Solved Paper

Section: Chemistry

Question : 96 of 150

Marks: +1, -0

The electrode potential, E°, for the reduction of MnO4− to Mn2+ in acidic medium is +151 V. Which of the following metal(s) will be oxidised? The reduction reactions and standard electrode potentials for Zn2+,Ag+ and Au+ are given as
Zn2+(aq)+2e→Zn(s), E°=−0.762V
Ag+(aq)+e⇌Ag(s), E°=+0.80V
Au+(aq)+e⇌Au(s), E°+1.69V

Zn and Au
Ag and Au
Au
Zn and Ag

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