Which of the following compounds is not coloured ?
$Na_2[CuCl_4]$
$Na_2[CdCl_2]$
$K_4[Fe(CN)_6]$
$K_3[Fe(CN)_6]$
What can be inferred from the magnetic moment values of the following complex species?
Example | Magnetic Moment $(BM)$ |
$K _{4}\left[ Mn ( CN )_{6}\right.$ | $2.2$ |
$\left[ Fe \left( H _{2} O \right)_{6}\right]^{2+}$ | $5.3$ |
$K _{2}\left[ MnCl _{4}\right]$ | $5.9$ |
Transition metal with low oxidation number will act as
Cigarette or gas lighter is made up of
Calculate the magnetic moment of a divalent ion in aqueous solution if its atomic number is $25$
An ion of definite magnetic moment (spin only) is