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Factors Affecting Electrolysis

As we see the...

Question

As we see the reactivity series, silver is a highly unreactive metal. Then what causes the silver metal to corrode?

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Solution

The oxygen in air does not react with silver easily because silver is a highly unreactive metal. Nevertheless, air contains some sulphur compounds, including hydrogen sulfide gas. Silver is highly attractive to sulphur. Thus, silver gets corroded by $H_{2} S$ gas in presence of moisture and air pollutants.

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Q. (a) What is corrosion?
(b) Name any two metals which do not corrode easily.
(c) What is the corrosion of iron known as?
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Q. As we see the reactivity series, silver is a highly unreactive metal. Then what causes the silver metal to corrode?

It is said that aqua regia can dissolve or corrode highly unreactive

Metals like gold and platinum.

Then how it is stored? In which container?

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Factors Affecting Electrolysis

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