Match the aqueous solutions given in List-$I$ with their colors given in List-$II$:

List-$I$ (Aqueous solution of salt)	List-$II$ (Color)
$A$. $FeSO_4 \cdot 7H_2O$	$i$. Green
$B$. $NiCl_2 \cdot 4H_2O$	$ii$. Pale pink
$C$. $MnCl_2 \cdot 4H_2O$	$iii$. Blue
$D$. $CoCl_2 \cdot 6H_2O$	$iv$. Light green
$E$. $Cu_2Cl_2$	$v$. Pink
	$vi$. Colorless

(A-IV, B-I, C-II, D-V, E-VI) The colors of the aqueous solutions of transition metal salts are as follows:
$A$. $FeSO_4 \cdot 7H_2O$ is light green $(iv)$.
$B$. $NiCl_2 \cdot 4H_2O$ is green $(i)$.
$C$. $MnCl_2 \cdot 4H_2O$ is pale pink $(ii)$.
$D$. $CoCl_2 \cdot 6H_2O$ is pink $(v)$.
$E$. $Cu_2Cl_2$ is colorless $(vi)$ because $Cu^+$ has a $d^{10}$ configuration.
Therefore,the correct matching is: $A-iv, B-i, C-ii, D-v, E-vi$.