Given : {E}^\circ_{ {\Ag}^{+} \/ {\Ag}} =+0.80 V ,{E}^\circ_{ {\Co}^{2+} \/ {\Co}}=-0.28V{E}^\circ_{ {\Cu}^{2+} \/ {\Cu}} =+0.34 {V}, {E}^\circ_{ {Zn}^{2+} \/ {\Zn}} =-0.76 {V} Which metal will corrode fastest?

NEET 2021 Model Test Paper 6

Question : 84 of 180

Marks: +1, -0

Given :
E°Ag+∕Ag=+0.80V ,E°Co2+∕Co=−0.28VE°Cu2+∕Cu=+0.34V, E°Zn2+∕Zn=−0.76V
Which metal will corrode fastest?

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