Which of the following sulphides is yellow in colour
$CuS$
$CdS$
$ZnS$
$CoS$
The spin only magnetic moment value of $Cr(CO)_6$ is
In the series $\operatorname{Sc}(Z=21)$ to $\operatorname{Zn}(Z=30)$, the enthalpy of atomisation of zinc is the lowest, i.e.. $126\, kJ\, mol ^{-1}$. Why?
Which of the following complex ion has a magnetic moment same as $[Cr(H_2O)_6]^{3+}$ ?
Among $TiF^{2-}_6 ,CoF^{3-}_6 ,Cu_2Cl_2$ and $NiCl^{2-}_4$ the colourless species are
Which one of the following is paramagnetic