Redox Reactions And Electrochemistry Ques 366
Question: Oxida n states of the metal in the minerals Haematite and magnetite, respectively, are
Options:
A) II, III, in heamatite and III in magnetite
B) II, III in haematite and II in magnetite
C) II in haematite and II, III in magnetite
D) III is haematite and II, III in magnetite
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Hematite: $ Fe_2O_3\Rightarrow $ Oxidation state of Fe=III Magnetite: $ Fe_3O_4=FeO.Fe_2O_3 $ Oxidation state of Fe =II, III
