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  2. Question
  3. Chemistry
  4. The equilibrium constant, Kc for the reaction Cu(s) + 2Ag+(aq) leftharpoons Cu2+(aq) + 2Ag(s) ; E°cell = 0.46 V is

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Q. The equilibrium constant, $K_c$ for the reaction
$Cu_{(s)} + 2Ag^+_{(aq)} \rightleftharpoons Cu^{2+}_{(aq)} + 2Ag_{(s)} ; E^{\circ}_{cell} = 0.46 \, V$ is

JIPMERJIPMER 2015Equilibrium

Solution:

$E_{cell}^{\circ} = \frac{0.0591}{n} \log \, k_c$
$0.46 = \frac{0.0591}{2} \log \, K_c$
$\frac{0.46 \times 2}{0.0591} = \log \, Kc \:\: \Rightarrow \: \log \, K_c = 15.56$
$\therefore \: K_c =$ antilog$ 15.6 $