• Nov 22, 2025 Cr Nh3 4cl2 n complexes with varying geometries and properties. The overall charge of the complex is neutral, as the +3 charge of chromium is balanced by the -3 charge from the two chloride ions and the neutral ammonia ligands. 2. Isomerism in Cr(NH₃)₄Cl₂: A Tale of Two Isomers By Alfonso Lesch