Determine the Equilibrium Constant for the Following Reaction at 25 ^$\circ$

Multiple Choice

Determine the equilibrium constant for the following reaction at 25 ^$\circ$ C.2I^- (aq) + Br₂(l) $\leftrightharpoons$ I₂(s) + 2Br^-(aq) .

A) 1.8 * 10¹⁸
B) 2.8 * 10¹⁸
C) 3.8 * 10¹⁸
D) 4.8 * 10¹⁸
E) None of the above