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List of top Chemistry Questions on d block elements

Calculate the number of unpaired electrons in [Mn(H2O)6]²⁺, considering H2O as a weak field ligand. (Atomic number of Mn = 25)
Which of the following oxides will be the most basic: Ti (22), V (23), Cr (24), Fe (26)?
The main constituents of stainless steel are:
This oxide is most basic. [Ti=22, V=23, Cr=24, Fe=26]
Which of the following oxides is paramagnetic?