Analytical ChemistryHard
Question
White precipitate of PbSO4 gets dissolved in :
Options
A.concentrated H2SO4 on heating
B.concentrated NaOH
C.(NH4)2CO3
D.dilute HNO3
Solution
(A) PbSO4↓ + H2SO4 (hot and concentrated) → Pb2+ + 2HSO4- (soluble)
(B) It dissolves forming Na2[Pb(OH)4] soluble complex.
(B) It dissolves forming Na2[Pb(OH)4] soluble complex.
Create a free account to view solution
View Solution FreeMore Analytical Chemistry Questions
Which of the following is a polymer containing nitrogen ?...Select the correct statement with respect to Ca2+ ions....A white crystalline solid (A) on boiling with caustic soda solution gave a gas (B), which when passed through an alkalin...Which one of the following cations will give a green coloured ash when a piece of filter paper dipped in a solution cont...A solution of colourless salt H on boiling with excess NaOH produces a non-flammable gas. The gas evolution ceases after...