Question

The actinides showing $+7$ oxidation state are

• A. U , Np
• B. Pu, Am
• C. Np , Pu
• D. Am, Cm

Answer 1

Answer: (C)

$Np$ and $Pu$ in $Np{O}_3^{+}$ and $Pu{O}_3^{+}$ oxocations
Show $+7$ oxidation state, which are not so stable.