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Heating mixture of Cu(2)O and Cu(2)S wil...

Heating mixture of `Cu_(2)O and Cu_(2)S` will give

A

`Cu + SO_(2)`

B

`Cu + SO_(3)`

C

`CuO + CuS`

D

`Cu_(2)SO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
Auto-reduction occurs , `Cu_(2)S + 2Cu_(2) O rarr 6Cu + SO_(2)`.
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CENGAGE CHEMISTRY ENGLISH-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Single Correcttype)
  1. When the sample of copper with zinc impurityn is to be purified by ele...

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  2. During the process of electrolytic refining of copper some metals pres...

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  3. Heating mixture of Cu(2)O and Cu(2)S will give

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  4. Sulphide ore of metal are usually concentrated by froth flotation proc...

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  5. Heating of ore in presence of air to remove sulphur impurities is call...

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  6. The method of zone refining of metals is based on the principle of

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  7. Which of the following factors is of no significance for roasting sul...

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  8. Complex formation for cyanide method is used for the extraction of

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  9. The least stable oxide at room temperature is

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  10. High purity copper metal is obtained by

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  11. Corumdum is

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  12. Whch ore can be best concentrated by froth flotation process ?

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  13. Which of the following metal is extracted by the use of cyanide soluti...

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  14. When MnO2 is fused with KOH and O2, what is the product formed and its...

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  15. Pb and Sn are extracted from their chief ore respectively by

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  16. The substance not likely to contain CaCO(3) is : (2003)

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  17. Extraction of Ag from commercial lead is possible by

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  18. The chemical composition of slag formed during the smelting process in...

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  19. The metal that cannot obtained by electrolysis of an aqueous solution ...

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  20. Ferric oxide blast furnace is reduced by

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