Chemistry, asked by harinireddy, 1 year ago

Why do gold and silver not corrode in moist air

Answers

Answered by anustarnoor
25
Gold and Silver (and other Noble Metals like Iridium and Palladium) do actually corrode in air, just very very VERY slowly. Bonding with Oxygen is the usual source of chemical corrosion here on Earth, and every metal has its own personal "preference" for bonding with more of itself vs with Oxygen. Iron, for instance, likes Oxygen a lot, and turns into rust without much effort at all. Gold much prefers more Gold to Oxygen, so for the most part, it doesn't corrode. Metals which have very stable structures in a galvanic (electrochemical) sense don't tend to bond to Oxygen very often. Gold and Silver are two of these metals. 
Answered by abyn
20

gold and silver are the least reactive metals in the reactive series and hence cannot bond with oxygen.therefore both do not corrode easily

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