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Copper is the most noble of the first ro...

Copper is the most noble of the first row transition metals and occurs in small deposits in several countries. Ors of copper include chalcanthite `(CuSO_(4).5H_(2)O)` , atacamite `(Cu_(2)Cl(OH)_(3))`, cuprite `(Cu_(2)O)`, copper glance `(Cu_(2)S)` and malachite `(Cu_(2)(OH)_(2)CO_(3))`. However , `80%` of the world copper production comes from the ore chalcopyrite `(CuFeS_(2))`. the extraction of copper from chalcopyrite involves partial roasting, removla of iron and self- reduction.
In self- reduction, the reducing species is

A

S

B

`O^(2-)`

C

`S^(2-)`

D

`SO_(2)`

Text Solution

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The correct Answer is:
c
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Copper is the most noble of the first row transition metals and occurs in small deposits in several countries. Ors of copper include chalcanthite (CuSO_(4).5H_(2)O) , atacamite (Cu_(2)Cl(OH)_(3)) , cuprite (Cu_(2)O) , copper glance (Cu_(2)S) and malachite (Cu_(2)(OH)_(2)CO_(3)) . However , 80% of the world copper production comes from the ore chalcopyrite (CuFeS_(2)) . the extraction of copper from chalcopyrite involves partial roasting, removla of iron and self- reduction. Iron is removed from chalcopyrite as

Copper is the most noble of the first row transition metals and occurs in small deposits in several countries. Ors of copper include chalcanthite (CuSO_(4).5H_(2)O) , atacamite (Cu_(2)Cl(OH)_(3)) , cuprite (Cu_(2)O) , copper glance (Cu_(2)S) and malachite (Cu_(2)(OH)_(2)CO_(3)) . However , 80% of the world copper production comes from the ore chalcopyrite (CuFeS_(2)) . the extraction of copper from chalcopyrite involves partial roasting, removla of iron and self- reduction. Partial roasting of chalcopyrite produces

Copper is the most noble of first row transition metals and occurs in small deposits in serveral countries. Ores of copper include chalcanthite (CuSO_(4).5H_(2)O) , atacanite [Cu_(2)Cl(OH)_(3)] , cuprite (Cu_(2)O) , copper glance (Cu_(2)S) , and malachite [Cu_(2)(OH)_(2)CO_(3)] . However, 80 % of the world copper production comes from the ore chalcopyrite (CuFeS_(2)) . The extraction of copper from chalcopyrite involves partial roasting, removal of iron and self-reduction. In self-reduction, the reducing species is.

Copper is the most noble of first row transition metals and occurs in small deposits in serveral countries. Ores of copper include chalcanthite (CuSO_(4).5H_(2)O) , atacanite [Cu_(2)Cl(OH)_(3)] , cuprite (Cu_(2)O) , copper glance (Cu_(2)S) , and malachite [Cu_(2)(OH)_(2)CO_(3)] . However, 80 % of the world copper production comes from the ore chalcopyrite (CuFeS_(2)) . The extraction of copper from chalcopyrite involves partial roasting, removal of iron and self-reduction. Iron is removed from chalcopyrite as.

Copper is the most noble of first row transition metals and occurs in small deposits in serveral countries. Ores of copper include chalcanthite (CuSO_(4).5H_(2)O) , atacanite [Cu_(2)Cl(OH)_(3)] , cuprite (Cu_(2)O) , copper glance (Cu_(2)S) , and malachite [Cu_(2)(OH)_(2)CO_(3)] . However, 80 % of the world copper production comes from the ore chalcopyrite (CuFeS_(2)) . The extraction of copper from chalcopyrite involves partial roasting, removal of iron and self-reduction. Partial roasting of chalcopyrite produces

Copper is the most noble of the first row transition metals and occurs in small deposits in several coun- tries. Ores of copper include chalcanthite (CuSO_4. 5H_2O) atacamite (Cu_2Cl(OH)_3) , cuprite (Cu_2O) , copper glance (Cu_2S ) and malachite (Cu_2(OH)_2CO_3) . However, 80% of the world copper production comes from the ore chalcopyrite (CuFeS_2) . The extraction of copper from chalcopyrite involves partial roasting, revoval of iron and self -reduction. In self -reduction, the reducing species is