33. Which of the following systematic names of coordination compounds is correct? (A) Ag(NH3)2[Ag(CN)2] : diamminesilver(I) dicyanoargentate(I) (B) Fe(CO)s: pentacarbonmonoxoiron(0) (C) : dibromodi(ethylenediamine)cobalt(III) ion (D) [Cr(H2O)4Cl2]C1·2H2O : tetraaquadichlorochromium(III) chloride diaqua (E) : trichloroammineplatinum(II) ion