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Which one of the following reactions can...

Which one of the following reactions cannot occur ?

A

`Cu+ ZnSO_4 rarr CuSO_4 + Zn darr `

B

`Cu+ 2AgNO_3 rarr Cu(NO_3)_2 + 2Ag darr`

C

`Cu+FeSO_4 rarrr CuSO_4 + Fe darr`

D

`3Ag + AuCl_3 rarr 3AgCl + Au darr`

Text Solution

Verified by Experts

The correct Answer is:
A, C, D

`Cu^(+2) + 2e^(-) rarr Cu, E^(@) = +ve` (feasible reaction)
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