Ferric ion forms a Prussian blue precipitate due to the formation of
(A) \(\mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]\)
(B) \(\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{4}\right]\)
(C) \(\mathrm{Fe}(\mathrm{CNS})_{3}\)
(D) \(\mathrm{Fe}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{\sqrt{3}}\right.\)