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Given that Zn^(2+)(aq)+2e^(-)rarrZn(s)...

Given that
`Zn^(2+)(aq)+2e^(-)rarrZn(s),E_("red")^(n)=-0.76V`
`Cr^(3+)(aq)+3e^(-)rarrCr(s),E_("red")^("*")=-0.74V`
Calculate the equilibrium constant K at `25^@C` for the following balanced reaction,
`3Zn(s)+2Cr^(3+)(aq)rarr3Zn^(2+)(aq)+2Cr(s)`

A

`K=e^(-0.02)`

B

`K=e^(0.02)`

C

`K=e^(4.7)`

D

`K=e^(2.0)`

Text Solution

Verified by Experts

The correct Answer is:
C
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