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Oxidation

Which compoun...

Question

Which compounds are obtained along with cupric nitrate on the copper test of nitric acid?

A

Hydrogen and nitrogen oxide

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B

Water and nitrogen dioxide

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C

Hydrogen and nitrogen dioxide

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D

Oxygen and nitrogen dioxide

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Solution

The correct option is B Water and nitrogen dioxide
$C u (s) + H N O_{3} (a q) \to C u (N O_{3})_{2} (a q) + H_{2} O + N O_{2} (g)$

Cupric nitrate $(C u (N O_{3})_{2})$ along with water and nitrogen dioxide is obtained on the copper test. These products are obtained due to the oxidising nature of nitric acid.

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