Question

Balance the following redox equation, identifying the element oxidized and the element reduced. Show all of the work used to solve the problem.
Ag + CN- + O2 yields Ag(CN)2- + H2O

Answer 1

The given equation is,

$Ag(s) + CN^{-}(aq) + O_{2}(aq) --> [Ag(CN)_{2}]^{-} (aq) + H_{2}O(l)$