Hard· The Lanthanides (Oxidation State)· +4 / −1
Gadolinium has a low value of third ionisation enthalpy because of:
Although +3 oxidation state is most common in lanthanoids, cerium still shows +4 oxidation state because:
NEET 2026 · Easy
The E^ value for the Mn^3+/Mn^2+ couple is more positive than that of Cr^3+/Cr^2+ or Fe^3+/Fe^2+ due to change of
NEET 2024 · Medium
'Spin only' magnetic moment is same for which of the following ions? A. Ti^3+ B. Cr^2+ C. Mn^2+ D. Fe^2+ E. Sc^3+ Choose the most…
NEET 2024 · Medium
The pair of lanthanoid ions which are diamagnetic is
NEET 2024 · Medium
Match List I with List II. List I (Transition metal/compound/complex): A. V_2O_5 , B. Fe, C. PdCl_2 , D. Ni complex List II (Catalytic…
NEET 2026 · Easy
The calculated 'spin-only' magnetic moment of Ti^2+ ( 3d^2 ) is:
NEET 2026 · Easy