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Zn((s)) + Cu((aq))^(+2) -> Cu((s)) + Zn(...

`Zn_((s)) + Cu_((aq))^(+2) -> Cu_((s)) + Zn_((aq))^(+2)`,
`DeltaG = -XKJ, Cu_((s)) + 2Ag_((aq))^(+) rarr 2Ag_((s)) + Cu_((aq))^(+2)`,
`DeltaG = -Y KJ`, then
`DeltaG` for `Zn_((s)) + 2Ag_((aq))^(+) rarr 2Ag_((s)) + Zn_((aq))^(+2)` will be (in KJ)

A

`- (X+Y) `

B

`(Y - X)`

C

`2(X - Y)`

D

`(X - Y)`

Text Solution

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The correct Answer is:
B
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