What is the IUPAC name for Sodium nitroprusside, ? — Coordination Compounds Chemistry Question

💡 Solution & Explanation

The NO ligand acts as $NO^+$ (nitrosonium/nitrosyl). Charge balance: $2(+1) + x + 5(-1) + (+1) = 0 \Rightarrow x = +2$. As the sphere is anionic, it is ferrate(II). Name: Sodium pentacyanidonitrosylferrate(II).