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Q.

When ammonia is passed over heated copper oxide, the metallic copper is obtained. The reaction shows that ammonia is:

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a

a dehydrating agent

b

an oxidising agent

c

a reducing agent

d

a nitrating agent

answer is C.

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Detailed Solution

The Nitrogen atom contains a single pair of electrons that it may contribute or lose through the process of oxidation. The species that takes this single electron pair will become less abundant. Hence ammonia is acting as a reducing agent.

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