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Grade 11Inorganic Chemistry

which of the following process does not involve oxidation of iron
  1. rusting of iron
  2. decolourisation of blue cuso4 solution by iron
  3. formation of fe(co5) from fe
  4. liberation of h2 from steam by iron at high temperature

Profile image of christopher
8 Years agoGrade 11
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1 Answer

Profile image of Varon
ApprovedApproved Tutor Answer8 Years ago
Hello christopher 
the answer is A because 
Fe + H2O + O2 ----------> Fe2O3 + xH2O
oxidation state of Fe changes from zero to +3 thats why gaining of electrons is called reduction
THANK YOU

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