Which of the following compounds is not coloured ?
$Na_2[CuCl_4]$
$Na_2[CdCl_2]$
$K_4[Fe(CN)_6]$
$K_3[Fe(CN)_6]$
The ability to form complex compounds by the transitional metal ion is due to
Why do the transition elements exhibit higher enthalpies of atomisation?
Which of the following compounds is not colored yellow ?
Mercury is transported in metal containers made of
Which of the following is a colourless ion