Four Iron sheets are coated with 4 different metals (A, B, C, D) whose standard potentials are -0.46V, -0.56V, -0.66V and -0.20 V respectively. Given that the standard reduction potential for Iron is -0.44V. In which case the rusting of Iron will be faster when the coating is damaged.

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Solution

The correct option is A
C

C has the highest reduction potential.

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Four Iron sheets are coated with 4 different metals (A, B, C, D) whose standard potentials are -0.46V, -0.56V, -0.66V and -0.20 V respectively. Given that the standard reduction potential for Iron is -0.44V. In which case the rusting of Iron will be faster when the coating is damaged.

The correct option is A C C has the highest reduction potential.

The correct option is A
C

C has the highest reduction potential.