Question

Gold and silver do not corrode in air give reasons

Answer 1

Okay,

So first you should know that to get corroded in air one metal has to be reactive enough or it should be left in air for a really really long time.

I'm gonna use the first one i.e reactivity to explain this stuff.

Gold and Silver are not the toppers of reactivoty series, infact they are somewhere near bottom that means they are one of the least reactive metals.

So, they won't react with air easily under normal circumstances.

and this is the reason why they do not get corroded in air (easily).

Answer 2

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1. Gold is a nobel metal. There is no effect of moist air or action of acid on it at any temperature.

2. Pure gold is a very soft metal, it breaks and gets bent easily. Hence, in gold ornaments, gold is alloyed with other metals like copper or silver in appropriate proportion to make it hard and resistant to corrosion.

Hence, gold ornaments do not get corroded.

Hope it helps!

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