1.

Zn_((s)) + 2[Au(CN)_(2)]_((aq))^(-) rarr [Zn(CN)_(4)]_((aq))^(2-) + 2Au_((s)) In the above equation, the oxidation state of metallic gold is ________

Answer»

1
0
`+2`
`-2`

ANSWER :B


Discussion

No Comment Found