Question

What are the oxidation numbers of the central metal ions in the coordination compounds [Cu(NH3)4]SO4 and H[AuCl4], respectively?

А. +3, +2

B. +2, +3

C. +3, +1

D. +1, +2

E. +2, +1

Answer 1

+2, +3 are the oxidation numbers of the central metal ions in the coordination compounds