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When a copper wire is placed in a soluti...

When a copper wire is placed in a solution of `AgNO_3`, the solution acquires blue colour. This due to the formation of .

A

`Cu^(2+)` ions

B

`Cu^(+)` ions

C

soluble complex of copper with `AgNO_(3)`

D

`Cu^(-)` ion by the reduction of Cu

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The correct Answer is:
A
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