The d- and f- B...

Which ion has maximum magnetic moment?

The dark red colour of bombs in fireworks is due to the presence of  

Which of the following types of metal make the most efficient catalysts?

Fe, Co and Ni have valuable catalytic properties in process involving 

Which has the maximum ferromagnetic character? 

$$ Fe^{2+} $$ does not give prussian blue colour with $$ Fe^{2+} $$, but on its reaction with (x), prussian blue colur appears with the reagent (x) is

Which of the following species is expected to show the highest magnetic moment? (At. No.: Cr = 24, Mn = 25, Co = 27, Ni = 28, Cu =29)

Which of the following ions gives coloured solution? 

Which of the following ions is paramagnetic?

The 3d metal ions form coloured compounds because the energy corresponding to the following lies in the visible range of electromagnetic spectrum