Upon hetaing with `Cu_(2)S` the regants that give copper metel are (i) `CuFeS_(2)` (ii) `CuO` (iii) `Cu_(2)O`(iv) `CuSO_(4)`A. `(ii),(iii),(iv)B. (ii),(iii)C. (i),(ii),(iii),(iv)D. (ii),(iv)

Upon hetaing with `Cu_(2)S` the regants that give copper metel are (i)

1.	Upon hetaing with `Cu_(2)S` the regants that give copper metel are (i) `CuFeS_(2)` (ii) `CuO` (iii) `Cu_(2)O`(iv) `CuSO_(4)`A. `(ii),(iii),(iv)B. (ii),(iii)C. (i),(ii),(iii),(iv)D. (ii),(iv)
Answer» Correct Answer - a (i) `2CuFeS_(2) + O_(2) rarr Cu_(2)S + 2FeS + SO_(2)` (ii) ` 4CaO rarr 2Cu_(2)O + O_(2)` `2Cu_(2)O + Cu_(2)S rarr 6Cu + SO_(2)` (iii) ` Cu_(2)SO_(4) rarr CaO + SO_(2)` (iv) `CuSO_(4) + rarr CaO + SO_(2) + (1)/(2) O_(3)` `4CuO rarr 2Cu_(2)O + O_(2)` `2Cu_(2)O + CuS rarr 6Cu + SO_(2)`

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Upon hetaing with `Cu_(2)S` the regants that give copper metel are (i) `CuFeS_(2)` (ii) `CuO` (iii) `Cu_(2)O`(iv) `CuSO_(4)`A. `(ii),(iii),(iv)B. (ii),(iii)C. (i),(ii),(iii),(iv)D. (ii),(iv)

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