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The oxidation state of Cu and Fe in copp...

The oxidation state of Cu and Fe in copper pyrities is respectively:

A

1+and 2+

B

2+and3+

C

1+and3+

D

1+and6+

Text Solution

Verified by Experts

The correct Answer is:
A
`CuFeS_(2) "exists as dimer" Cu_(2)Fe_(2)S_(4)`
`Rightarrow Cu_(2)S+ubrace(FeS_(3))_(FeS+FeS)`
Hence, OS. Of Cu=+1,Fe=+2(in both FeS and `FeS_(2))`
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