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Q.

In the reaction of copper with nitric acid,

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a

Cu is oxidised to Cu2+ ion by hydrogen ion

b

Both (b) and (c )

c

Cu is oxidised to Cu2+ ion by nitrate ion

d

Cu is reduced by hydrogen ion

answer is B.

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Detailed Solution

In the reaction of Cu with HNO3, it is nitrate ion not the hydrogen ion, which oxidises Cu.

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