Question

What are the Uses of f-Block Element?

Answer

The main uses of lanthanoids are as follow: (i) Lanthanoids are highly reactive element, it is used as a catalyst in the manufacture of petroleum and synthetic products. (ii) Alloys of Lanthanides are used in the instrumental steels, stainless steel, and heat resistance. (iii) Lanthanides are used in metallothermic reactions and ceria salts in lead storage batteries. (iv) It is used in Mg based alloy for the production of bullets, lighter flint and shell.