1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

$$\mathrm{H}_2(g)+2 \mathrm{AgCl}(s) \rightleftharpoons 2 \mathrm{Ag}(s)+2 \mathrm{HCl}(a q)$$

$$E_{\text {cell }}^{\circ}$$ at $$25^{\circ} \mathrm{C}$$ for the cell is $$0.22 \mathrm{~V}$$. The equilibrium constant at $$25^{\circ} \mathrm{C}$$ is

A
$$2.8 \times 10^7$$
B
$$5.2 \times 10^8$$
C
$$2.8 \times 10^5$$
D
$$5.2 \times 10^4$$
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