Which of the following involves the reduction of copper?

Options

A. `Cu(s)+(1)/(2)O_(2)(g)rarrCuO(s)`
B. `Cu^(2+)(aq)+2I^(-)(aq)rarr2Cul(aq)`
C. `CuCl_(2)(g)+2F^(-)(aq)rarrCuF_(2)+Cl_(2)(g)`
D. None of the above.

Answer

B

Explanation

`Cu^(+)rarrCu^(1)`
decrease in O.N.
Reduction