Question: Gold and platinum do not get corroded in atmospheric oxygen. Explain.
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Mumbai University > First year engineering > sem2> Applied chemistry 2

Marks : 3M

Year : Dec 2016

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modified 4 months ago by gravatar for Abhishek Tiwari Abhishek Tiwari50 written 3.0 years ago by gravatar for Vibhavari Kulkarni Vibhavari Kulkarni50
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Silver, gold and platinum do not undergo oxidation corrosion due to following reasons-

• Metal oxides formed on the metal surface decompose back to the metals and oxygen.

• Silver (Ag), gold (Au), and platinum (Pt) oxides are highly unstable, and hence they do not undergo oxidation
corrosion.

• Thus silver, gold and platinum do not undergo oxidation corrosion.

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modified 3.0 years ago by gravatar for shweta singh shweta singh0 written 3.0 years ago by gravatar for Vibhavari Kulkarni Vibhavari Kulkarni50
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