Question

The pair of compounds in which both the metals are in the highest possible oxidation state is
(a) [Fe(CN)₆]⁴⁻, [Co(CN)₆]³⁻
(b) CrO₂Cl₂, $MnO_4^-$
(c) TiO₃, MnO₂
(d) [Co(CN)₆]³⁻, MnO₃

Answer 1

option a

is the right answer