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In the conversion of zinc ore to zinc me...

In the conversion of zinc ore to zinc metal, the process of roasting involes

A

`ZnCO_3 rarr ZnO`

B

`ZnO rarr ZnSO_4`

C

`ZnS rarr ZnO`

D

`ZnS rarr ZnSO_4`

Text Solution

Verified by Experts

The correct Answer is:
C
`2ZnS + 3O_(2) overset(950^@C) rarr 2ZnO + 2SO_2`
`ZnS +2O_(2) overset(950^@ C) rarr ZnSO_4`
then `2ZnSO_4 overset(950^@C) rarr 2ZnO + 2SO_2 + O_2`.
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