The metal ion in platinum(IV) complexes, like that in
Chapter 23, Problem 23.119(choose chapter or problem)
The metal ion in platinum(IV) complexes, like that in cobalt(III) complexes, has a coordination number of 6 and often has Cl ions and NH3 molecules as ligands. For the traditional (before the work of Werner) formulas PtCl4 6NH3 and PtCl4 4NH3, (a) give the modern formula and charge of the complex ion, and (b) predict the moles of ions per mole of compound dissolved and moles of AgCl formed with excess AgNO3.
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