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Among the reactions given the oxidant an...

Among the reactions given the oxidant and the reductant in each case:
`Cu_(2)S(s)+O_(2)(g)to2Cu(s)+SO_(2)(g)`

Text Solution

Verified by Experts

`overset(+1)CU_(2)overset(-2)(S)+overset(0)O_(2)(g)to 2overset(0)CU(s) +overset(+4-2)SO_(2)(g)`
The oxidation number of Cu decreases from +1to 0 while that of S increases of O decreases from 0 to -2 .So ,in this reaction,`Cu_(2)S` undergoes oxidation as well as reduction and `O_(2)` undergoes reduction .Hence ,it is a redox reaction in ehich `Cu_(2)S` serves as both oxidant and reductant and `O_(2)`acts as an oxdiant.
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