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Why does a zinc-coated iron sheet resist rusting even… | StemPy Lab

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Why does a zinc-coated iron sheet resist rusting even where the coating is scratched?

ChemistryMediumHigh School (11–12)Redox Reactions › Oxidation Number and Types of Redox Reactions NEET AP A-Level IB

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Why does a zinc-coated iron sheet resist rusting even where the coating is scratched?

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← The standard potentials of four metals are aluminium -1.66 V, copper +0.34 V, nickel -0.25 V and mercury +0.85 V. Which pair releases hydrogen from dilute hydrochloric acid?A Daniell cell has been delivering current for several hours. What has happened to the two solutions? →

More onRedox Reactions › Oxidation Number and Types of Redox Reactions

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More questions on this topic

Which change makes no difference to the value of E° for a half-reaction?Easy
A Daniell cell has been delivering current for several hours. What has happened to the two…Medium
The standard potentials of four metals are aluminium -1.66 V, copper +0.34 V, nickel -0.25 V and…Medium
A cell is written Mg(s) mid Mg²⁺(aq) ∥ Ag⁺(aq) mid Ag(s). Using E° values of -2.37 V and +0.80 V…Medium
The couples Mg²⁺/Mg (-2.37 V), Cu²⁺/Cu (+0.34 V), Ag⁺/Ag (+0.80 V) and Fe³⁺/Fe²⁺ (+0.77 V) are…Hard

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Problems on this topic

A galvanised bucket is an iron bucket with a zinc coat…Medium
The Daniell cell has E° = 1.10 V for a reaction that moves 2 mol of electrons…Hard
These metals have the following standard potentials for Mⁿ⁺/M: magnesium -2.37 V, zinc -0.76 V…Medium
Use E°(Ag⁺/Ag) = +0.80 V and E°(Cu²⁺/Cu) = +0.34 V…Easy

All problems on this topic →