Chemistry (M.Phil./Ph.D.) 2015 Panjab University Entrance Exam With Answers

Practice Mode:
38.

Iron has an oxidation number of +3 in which of the following compounds

A: Fe(NO3)2
B: FeC2O4
C: [Fe(H2))6]cl3
D: (NH4)2SO4,FeSo4, 6H2O

The answer is: C