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In the compound Yba(2)Cu(3)O(7) which sh...

In the compound `Yba_(2)Cu_(3)O_(7)` which shows superconductivity, what is the oxidation state of `Cu` ?
Assume that the rare earth element yttrium is in its usual `+3` oxidation state.

A

`+(7)/(3)`

B

`-(7)/(3)`

C

`(5)/(3)`

D

`-(5)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`(Yba_(2)Cu_(3)O_(7))`
`3+(2xx2)+3x-14=0`
`:. X= +(7)/(3)`
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