The property, which is not characteristic of transition metals
variable oxidation states
tendency to form complexes
formation of coloured compounds
none of these
Which of the following ionic species will impart colour to an aqueous solution
Which of the following have maximum number of unpaired electrons
Amongest following the lowest degree of paramagnetism per mole of the compound at $298 K$ will be shown by
In the following transition elements, the lowest $M.P.$ and $B.P.$ is exhibited by
Which of the following pair will have effective magnetic moment equal