The compund Yb Ba_(2)Cu_(3)O_(7) which shows superconductivity has copper in oxidation stte…………..Assume that the reare earth element ytterbium isin the usual + 3oxidation state

The compund Yb Ba_(2)Cu_(3)O_(7) which shows superconductivity has cop

1.	The compund Yb Ba_(2)Cu_(3)O_(7) which shows superconductivity has copper in oxidation stte…………..Assume that the reare earth element ytterbium isin the usual + 3oxidation state
Answer» Answer :`7//3 overset(+3)ya overset(+2)Ba_(2)overset(X)Cu_(3)overset(-23)O_(7) therefore 3+4+3x-14 or x=7//3`