Chemistry - Complete Pblock- Question with Solution | TestHub

$\mathrm{C}{\mathrm{N}}^{-}$resembles$\mathrm{C}{\mathrm{l}}^{-}$,$\mathrm{B}{\mathrm{r}}^{-}$and${\mathrm{I}}^{-}$in the following respects
$\left(\mathrm{i}\right)$It forms$\text{HCN}$
$\left(\mathrm{i}\mathrm{i}\right)$It can be oxidized to form${\text{(CN)}}_{\text{2}}$
$\left(\mathrm{i}\mathrm{i}\mathrm{i}\right)$$\mathrm{A}\mathrm{g}\mathrm{C}\mathrm{N}$is insoluble in water, but soluble in$\mathrm{N}{\mathrm{H}}_3$as is$\text{AgCl}\text{.}$