JEE · NEET Previous Year Question
The Lassiagne's extract is boiled with dil before testing for halogens because,
Topic: JEE PYQ
Answer: D. Full step-by-step solution below.
- A is soluble in
- BSilver halides are soluble in
- C is soluble in
- D and are decomposed by
Correct answer: D
Solution
(d) If nitrogen or sulphur is also present in the compound, the sodium fusion extract is first boiled with concentrated nitric acid to decompose cyanide or sulphide of sodium during Lassaigne's testMore Qualitative Analysis PYQs
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