Ziegler – Natta catalyst is
Solutions of SnCl4+ Tri alkyl Aluminum
Solutions of TiCl4+ Tri alkyl Aluminum
Solutions of TiCl4+ Tri alkyl chromium
Solutions of SnCl4+ Tollen's reagent
Ziegler- Natta catalyst is mixture of solutions of TiCl4+ Tri alkyl Aluminum . It is used for the process of polymerization of polyalkenes.