Which one of the following when dissolved in water gives coloured solution in nitrogen atmosphere?
$\mathrm{CuCl}_{2}$
$\mathrm{AgCl}$
$\mathrm{ZnCl}_{2}$
$\mathrm{Cu}_{2} \mathrm{Cl}_{2}$
Which of the following weighs less when weighed in magnetic field
Amongest following the lowest degree of paramagnetism per mole of the compound at $298 K$ will be shown by
Which of the following is not true for transition metals
Identify the correct option
$E^o$ of $Cu$ is $+0.34\,V$ while that of $ Zn$ is $-\,0.76\,V$. Explain