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 block precipitate wh

1.	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 :
Answer» `HG^(2+)` `Bi^(3+)` `Pb^(2+)` `Cu^(2+)` Solution :It is the correct answer : `Bi(NO_(3))_(3) + 3 Kl rarr underset(("Black"))(Bl_(3) (s)) + 3KNO_(3)` `Bl_(3) + Kl rarr underset("ORANGE coloured solution")(K [Bl_(4)])`