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The standard oxidation potentials of Zn ...

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

A

`Zn^(2+)(aq.)+Ag^(+)(aq.) rarr Zn(s) + Ag(s)`

B

`Zn(s) + 2Ag^(+)(aq.) rarr Zn^(2+) + 2Ag(s)`

C

`Zn(s)+2Ag^(+)(s) rarr Zn^(2+) (aq.) + Ag^(+) (aq.)`

D

`Zn^(2+)+2Ag^(+)(s) rarr 2A^(+)(aq.) + Zn(s)`

Text Solution

Verified by Experts

The correct Answer is:
B
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