An aqueous solution of a white salt A gives a white precipitate B on treatment with dilute HCl in cold condition. B is soluble in boiling water. An aqeous solution of A gives a yellow precipitate on treatment with a solution of K_(2)CrO_(4). The soda extract of A is acidified with diolute H_(2)SO_(4), boiled to remove CO_(2) and treated with a freshly prepared solution of FeSO_(4). concentratd H_(2)SO_(4) is added to the resulting solution. a brownn ring is formed at the junction of the two layers. Q. The salt A is:

An aqueous solution of a white salt A gives a white precipitate B on t

1.	An aqueous solution of a white salt A gives a white precipitate B on treatment with dilute HCl in cold condition. B is soluble in boiling water. An aqeous solution of A gives a yellow precipitate on treatment with a solution of K_(2)CrO_(4). The soda extract of A is acidified with diolute H_(2)SO_(4), boiled to remove CO_(2) and treated with a freshly prepared solution of FeSO_(4). concentratd H_(2)SO_(4) is added to the resulting solution. a brownn ring is formed at the junction of the two layers. Q. The salt A is:
Answer» `PbBr_(2)` `PB(NO_(3))_(2)` `AgNO_(3)` `Hg_(2)(NO_(3))_(2)` Answer :B