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JEE Main Chemistry question

ChemistryThe p-Block ElementsJEE Main

The treatment of with dilute gives

Answer: (B)

Solution

Dilute nitric acid oxidises copper while itself being reduced to nitric oxide: 3Cu + 8HNO_3(dilute) \rightarrow 3Cu(NO_3)_2 + 2NO + 4H_2O. Concentrated

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Question ID VK-145614