Analytical ChemistryHard
Question
A metal chloride original solution (i.e. O.S) on mixing with K2CrO4 solution gives a yellow precipitate soluble in aqueous sodium hydroxide. The metal may be :
Options
A.mercury
B.iron
C.silver
D.lead
Solution
Pb2+ + CrO42- → PbCrO4 ↓ (yellow) ; PbCrO4 ↓ + 4OH- → [Pb(OH)4]2- + CrO42-.
Create a free account to view solution
View Solution FreeMore Analytical Chemistry Questions
A blue colouration (in solution or precipitate) is not obtained when :...Why only As+3 gates precipitated as As2S3 and not Zn+2 as ZnS, when H2S is passed through an acidic solution containing ...A gas ′X′ is passed through water to form a saturated solution. The aqueous solution on treatment with silve...Which of the following statement(s) is/are correct with respect to bromide ions ?...Which one of the following cations will give a green coloured ash when a piece of filter paper dipped in a solution cont...