Question
Give reason and select one atom/ion which will exhibit asked property :
(i) $Sc ^{3+}{\text { or } Cr ^{3+}}^{3+}$ (Exhibit diamagnetic behaviour)
(ii) Cr or Cu (High melting and boiling point)
(i) $Sc ^{3+}{\text { or } Cr ^{3+}}^{3+}$ (Exhibit diamagnetic behaviour)
(ii) Cr or Cu (High melting and boiling point)