`KI` solution is the reagent for:

KI solution identifies

When HgI_(2) is added in KI solution. The freezing point of solution:-

Iodine is liberated from KI solution when treated with :

Iodine is liberated from KI solution when treated with :

A metal nitrate reacts with KI solution to give a block precipitate which on addition of excess of KI solution forms an orange coloured solution. The cation of metal nitrate is :

A metal nitrate reacts with KI solution to give a black precipitate which on addition of excess of KI solution forms an orange coloured solution. The cation of metal nitrate is :