Compound `YBa_(2)Cu_(3)O_(7)` is a super conductor The O.N. of the copper in the compound will be : [O.No. of Y = `+3`]

The compound Ba_(2)Cu_(3)O_(7) , which shows super conductivity, has copper in oxidation state ......... Assume that the rare earth element yttrium is in its usual +3 oxidation state.

The colour of Cu^(o+) compounds is .

The colour of Cu^(o+) compounds is .

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.

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.

Super conductors are derived from compound of:

Calculate the O.N. of Fe in following compounds :- Fe_(3)O_(4)

What is the oxidation state of : Copper is Cu_2O