Nitric acid can _________ copper.

reduce

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acidify

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oxidise

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hydrolyse

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Solution

The correct option is D oxidise
Copper is an unreactive metal and doesnt react in normal circumstances with dilute acids. Nitric acid is an oxidising agent and the reaction is not the usual acid + metal reaction. The products are oxides of nitrogen instead of hydrogen.
$C u + 4 H N O_{3} \to C u (N O_{3})_{2} + 2 N O_{2} + 2 H_{2} O$

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