Which of the following metal does not react with oxygen?

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B and C

Zinc

Gold

Platinum

answer is D.

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Detailed Solution

Noble metals like gold and platinum do not react with oxygen because they have a high resistance to oxidation due to their unique electron configurations and their low reactivity toward other elements.

Both gold and platinum have a filled outermost electron shell, which means they have a stable electron configuration and do not readily give up or accept electrons. This makes it difficult for them to participate in chemical reactions, including oxidation reactions with oxygen.

In addition, the outermost electrons of noble metals are tightly bound to the nucleus due to their high effective nuclear charge, which further increases their resistance to oxidation.

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