1.

In balancing the half reaction `CN^(ө)rarrCNO^(ө)`(skeltan) The number of electrons that must be added isA. `0`B. `1` on the rightC. `1` on the leftD. `2` on the right

Answer» Correct Answer - D
` {:(,CN^(-),to,CNO^(-)),("O.N. of nitrongen", 4+x=-1,,4+x-2=-1),(,x=-5,,x=-3):}`
`CN^(-)` is thus oxidised. Thus, two electrons are lost.


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