JEE · NEET Previous Year Question
Formation of which complex, among the following, is not a confirmatory test of ions
Topic: JEE PYQ
Answer: B. Full step-by-step solution below.
- ALead sulphate
- BLead nitrate
- CLead chromate
- DLead iodide
Correct answer: B
Solution
(b)On adding to , white precipitate of lead sulphate, is formed. By adding potassium iodide solution to - Yellow precipitate of lead iodide is formed. The ppt dissolves in boiling water and on cooling recrystallises.By adding potassium chromate solution to -Yellow precipitate of lead chromate is formed. But lead nitrate is a water soluble compound.
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