In which of the following coordination compounds does the central metal atom exhibit an oxidation st — Coordination Compounds Chemistry Question

💡 Solution & Explanation

The Roman numeral in parentheses at the end of the coordination sphere's name explicitly denotes the oxidation state of the central metal atom. (A) Triamminetrinitrito-N-cobalt(III) $\rightarrow$ $+3$ (B) Potassium hexacyanidoferrate(III) $\rightarrow$ $+3$ (C) Sodium pentacyanonitrosylferrate(II) $\rightarrow$ $+2$ (D) Tris(ethane-1,2-diamine)iron(III) chloride $\rightarrow$ $+3$.