Which of the following has highest paramagnetic character
$Mn$ $(II)$
$Fe$ $(II)$
$Co$ $(II)$
$Ni$ $(II)$
Which of the following sulphides is yellow in colour
Brass is an alloy of
$\mathrm{E}^{\circ}$ of $\mathrm{Cu}$ is $+0.34 \mathrm{~V}$ while that of $\mathrm{Zn}$ is $-0.76 \mathrm{~V}$. Explain.
The correct order of decreasing third ionisation enthalpy of $Ti,\, V,\, Cr,\, Mn$ is
Mention the type of compounds formed when small atoms like $H$, $C$ and $N$ get trapped inside the crystal lattice of transition metals. Also give physical and chemical characteristics of these compounds.