List of top Chemistry Questions on Complexes asked in CUET (UG)

{Given below are two statements: Statement I: Among \[ [\mathrm{Cu(NH_3)_4}]^{2+}, [\mathrm{NiO_3}]^{2+}, [\mathrm{Ni(NH_3)_6}]^{2+} \text{ and } [\mathrm{Mn(H_2O)_6}]^{2+}, \] \( [\mathrm{Mn(H_2O)_6}]^{2+} \) has the maximum number of unpaired electrons. Statement II: The number of pairs among \[ [\mathrm{NiCl_4}]^{2-},\ [\mathrm{NiO_4}]^{2-} \] and \[ [\mathrm{NiO_4}],\ [\mathrm{O_4}]^{2-} \] that contain only diamagnetic species is two. In the light of the above statements, choose the correct answer from the options given below:}