Name the following compounds by IUPAC system :

Question

1. [ Cr (NH3)3 Cl3] 2. Na4[Fe (CN)6 ]
3. Fe4[Fe (CN)6]3 4. [Ag(NH3)2] OH
5. [Cr(NH2-Ch2-ch2-NH2)3]cl3

Answer 1

I would name the the second one as
sodium hexacyanoferrate(II)
Here is a site that gives the rules for naming the others.
http://www.chemguide.co.uk/inorganic/complexions/names.html