1.

When a copper wire is placed in a solution of \[AgN{{O}_{3}}\], the solution acquires blue colour. This is due to the formation of [Roorkee 1989]

A. \[C{{u}^{2+}}\] ions
B. \[C{{u}^{+}}\] ions
C. Soluble complex of copper with \[AgN{{O}_{3}}\]
D. \[C{{u}^{-}}\] ion by the reduction of \[Cu\]
Answer» B. \[C{{u}^{+}}\] ions


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