MEDIUMMCQ SINGLENEET ChemistryPhysical ChemistryRedox Reactions/Volumetric AnalysisConcept of Oxidation and Reduction
In the compound YBa₂Cu₃O₇ 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) (b)
C.5
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