Which of the following statements is true reg | vedclass

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(A) The cell reaction is: $Ni_{(s)} + 2Ag^{+}_{(aq)} \rightarrow Ni^{2+}_{(aq)} + 2Ag_{(s)}$.Applying the Nernst equation at $298 \ K$: $E_{cell} = E^

Vedclass · Accepted Answer

less than $E^{\circ}_{cell}$ by $0.0592 \ V$

Vedclass · Answer

(A) The cell reaction is: $Ni_{(s)} + 2Ag^{+}_{(aq)} ightarrow Ni^{2+}_{(aq)} + 2Ag_{(s)}$.Applying the Nernst equation at $298 \ K$: $E_{cell} = E^{\circ}_{cell} - \frac{0.0591}{n} \log Q$.Here,$n = 2$ and $Q = \frac{[Ni^{2+}]}{[Ag^{+}]^2} = \frac{0.01}{(0.01)^2} = \frac{0.01}{0.0001} = 100$.Substituting the values: $E_{cell} = E^{\circ}_{cell} - \frac{0.0592}{2} \log(100)$.$E_{cell} = E^{\circ}_{cell} - 0.0296 	imes 2 = E^{\circ}_{cell} - 0.0592 \ V$.Thus,the cell emf is less than $E^{\circ}_{cell}$ by $0.0592 \ V$.

Which of the following statements is true regarding the cell emf at $298 \ K$ for the cell $Ni_{(s)} | Ni^{2+}(0.01 \ M) || Ag^{+}(0.01 \ M) | Ag_{(s)}$?

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