Chemistry - Coordination Chemistry Question with Solution | TestHub

${\mathrm{WO}}_4^{2-}>{\mathrm{MoO}}_4^{2-}>{\mathrm{CrO}}_4^{2-}$ (oxidising power)

$\mathrm{Ni}>\mathrm{Pt}>\mathrm{Pd}$ (No. of unpaired 'd' electrons)

$\mathrm{Fe}>\mathrm{Co}>\mathrm{Ni}$ (density)

$\mathrm{Eu}>\mathrm{Gd}>\mathrm{Tb}$ (No. of protons)