All terrestrial planets have iron
A terrestrial planet, telluric planet or rocky planet is a planet that is composed primarily of silicate rocks or metals. (Iron is very commonly present in rocky planets like Earth.) But like other group 8 elements, iron exists in a wide range of oxidation states. The following reaction formula can appear in the process of iron production:
What is the change in the oxidation number of iron (
) before and after the reaction?
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1 solution
Fe2 O3 = Fe(2)+3(-2)=0 =2Fe= 6 =Fe = 3
2 Fe = 2(0) =0