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this is the question given Section III paper I of IIT JEE 2010. the key are different from one another Partial roasting of chalcopyrite produces a. Cu2S and FeO b. Cu2O and FeO

this is the question given Section III paper I of IIT JEE 2010. the key are different from one another


Partial roasting of chalcopyrite produces


a. Cu2S and FeO    b. Cu2O and FeO

Grade:12

2 Answers

Badiuddin askIITians.ismu Expert
148 Points
12 years ago

Dear veluri

 

Sol: CuFeS2 + O2 → Cu2S + 2FeS + SO2

explanation


The sulphites of copper and iron are partially oxidized
2FeS+ 3O2 ??→2FeO+ 2SO2
  2Cu2 S + 3O2 ??→2Cu2 O + 2SO2

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koushik krishna
33 Points
11 years ago

answer is a)Cu2s and FeO

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