Name the following coordination entities and describe their structures: (i) [Fe(CN)₆]⁴⁻ (ii) [Cr(NH₃)₄Cl₂]⁺ (iii) [Ni(CN)₄]²⁻ (Atomic Numbers Fe=26, Cr=74, Ni=28)
Solution:
Names of the given compounds i) Hexacyanoferrate(II) ion. ii) Tetraamminedichloridochromium(III) ion. iii) Tetracyanonickelate(II) ion.