Q. $[Sc(H_2O)_6 ]^{3+}$ ion is
Jharkhand CECEJharkhand CECE 2010Coordination Compounds
Solution:
$[Sc(H_2O)_6 ]^{3+}$,oxidation state of Sc is + 3.
$\because\, Sc^{3+}$ has no unpaired electrons.
$\therefore [Sc(H_2O)_6]^{3+}$ is diamagnetic and colourless.
