1.

Which one of the following is not feasible?

Answer»

`ZN(s)+CU^(2+)(aq)toCu(s)+Zn^(2+)(aq)`
`Cu(S)+Zn^(2+)(aq)toZn(s)+Cu^(2+)(aq)`
`Cu(s)+2Ag^(+)(ag)TOAG(s)+Cu^(2+)(ag)`
`FE(S)+Cu^(2+)(aq)toCu(s)+fe^(2+)(aq)`

ANSWER :B


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