The aqueous solution containing which one of the following ions will be colourless
$S{c^{3 + }}$
$F{e^{2 + }}$
$T{i^{3 + }}$
$M{n^{2 + }}$ (Atomic number $Sc = 21,\, Fe = 26, \,Ti = 22, \,Mn = 25)$
Which of the following is correct
Chloride of which of the following elements will be coloured
In a transition series, as the atomic number increases, paramagnetism
Which of the following compounds is metallic and ferromagnetic ?
An ion of definite magnetic moment (spin only) is