An aqueous solution contains Fe3 + , Co2 + , Cu2 + , Pb2 + and As3 + . How many of these ions will produce white precipitate with dilute HCl ?

Question

An aqueous solution contains Fe3 + , Co2 + , Cu2 + , Pb2 + and As3 + . How many of these ions will produce white precipitate with dilute HCl ? (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

Pb2 + ions give white precipitate of PbCl2 with dilute HCl .

Q. An aqueous solution contains $F e^{3 +}$ , $C o^{2 +}$ , $C u^{2 +}$ , $P b^{2 +}$ and $A s^{3 +}$ . How many of these ions will produce white precipitate with dilute $H Cl$ ?

$P b^{2 +}$ ions give white precipitate of $P b C l_{2}$ with dilute $H Cl$ .

Q. An aqueous solution contains Fe3+ , Co2+ , Cu2+ , Pb2+ and As3+ . How many of these ions will produce white precipitate with dilute HCl ?

Pb2+ ions give white precipitate of PbCl2​ with dilute HCl .

Q. An aqueous solution contains $F e^{3 +}$ , $C o^{2 +}$ , $C u^{2 +}$ , $P b^{2 +}$ and $A s^{3 +}$ . How many of these ions will produce white precipitate with dilute $H Cl$ ?

$P b^{2 +}$ ions give white precipitate of $P b C l_{2}$ with dilute $H Cl$ .