Chlorine and cyanide ligands are written as chloro and tetrracyano. The prefix tetra indicates four. The ligand \(O _2\) is named as superoxo.The iron metal is named ferrate \((II)\) ion as it is a part of anionic complex ion. The oxidation state of iron is written in roman numerals inside parenthesis.
$(I)\, K_4 [Fe(CN)_6]$ $(II)\, K_3[Cr(CN)_6]$ $(III)\, K_3 [Co(CN)_6]$ $(IV)\, K_2[Ni(CN)_4]$
નીચે આપેલા કોડ્સનો ઉપયોગ કરીને સાચો જવાબ પસંદ કરો