Which one of the following ions is colourless
$C{u^ + }$
$C{o^{2 + }}$
$N{i^{2 + }}$
$F{e^{3 + }}$
The catalytic activity of the transition metal and their compound is due to their
Compare the general characteristics of the first series of the transition metals with those of the second and third series metals in the respective vertical columns. Give special emphasis on the following points:
$(i)$ electronic configurations,
$(ii)$ oxidation states,
$(iii)$ ionisation enthalpies, and
$(iv)$ atomic sizes.
Which ion has maximum magnetic moment
Generally metal ion and their salts are coloured due to presence of unpaired electrons in metal ions. Which of the following compounds are coloured
Discuss the magnetic properties of transition elements.