The $3d$ metal ions form coloured compounds because the energy corresponding to the following lies in the visible range of electromagnetic spectrum
Free energy change of complex formation by $3d$ metal ions
$d - d$ transitions of $3d$ electrons
Heat of hydration of $3d$ metal ions
Ionisation energy of $3d$ metal ions
How many unpaired electrons are there in $N{i^{2 + }}$
Which of the following is not a transition metal?
Which one of the following properties is not of transition elements
The decrease in atomic volume from $Cr$ to $Cu$ is very negligible because
An ornamental of gold having $75\%$ of gold, it is of .............. carat.