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What will be the oxidation state of copp...

What will be the oxidation state of copper in `YBa_(2) Cu_(3) O_(7)` , if oxidation state of Y is `+ 3 ` ?

A

`7 //3 `

B

7

C

3 and 5

D

`3//7`

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The correct Answer is:
A
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TARGET PUBLICATION-REDOX REACTIONS-CRITICAL THINGKIN
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