The colorless species is
$VCl_3$
$VOSO_4$
$Na_3VO_4$
$[V(H_2O)_6]SO_4.H_2O$
Which one amongst the following are good oxidizing agents?
$A.$ $Sm ^{2+}$ $B.$ $Ce ^{2+}$ $C.$ $Ce ^{4+}$ $D.$ $Tb ^{4+}$
Choose the most appropriate answer from the options given below :
Percentage of silver in German silver is
The transition element that has lowest enthalpy of atomisation is
A compound of a metal ion $M^{x+}$ $(Z = 24)$ has a spin only magnetic moment of $\sqrt {15}$ Bohr Magnetons. The number of unpaired electrons in the compound are
Which one of the following compounds is not coloured