1.

The standard oxidation potentials of Zn and Ag in water at 25^@ C are. Zn(s)rarrZn^(2+) =2e,E^@=0.76V Ag(s) rarrAg^+ +e,E^@=-0.80V Which reaction actually takes place:

Answer»

`ZN(s) +2Ag^+(aq)RARRZN^(2+)+2Ag(s)`
`Zn^(2+) +2A^+(s) rarr2Ag^+(aq)+Zn(s)`
`Zn(s) +2Ag(s) rarrZn^(2+)(aq)+AG^+(aq)`
`Zn^(2+)(aq)+Ag^+(aq) rarrZn(s) +Ag(s)`

Answer :A


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