The compound which does not show paramagnetism is :-
$[Cu(NH_3)_4]Cl_2$
$[Ag(NH_3)_2]Cl$
$NO$
$NO_2$
Which metal is present in brass, bronze and German silver
Which of the following pairs of elements might form an alloy
Which occludes hydrogen
Prussian blue is due to the formation of
$\operatorname{Zr}\,(\mathrm{Z}=40)$ and $\mathrm{Hf}\,(\mathrm{Z}=72)$ have similar atomic and ionic radii because of :