JEE Main 2022 — Salt Analysis Question with Solution
From: JEE Main 2022 (Online) 25th June Evening Shift
Question
During halogen test, sodium fusion extract is boiled with concentrated HNO3 to
Choose an option
Show full solutionCorrect option: B
Correct answer
Bdecompose cyanide or sulphide of sodium
Step-by-step explanation
During test for halogen, if nitrogen or sulphur is also
present in the compound, then sodium fusion
extract is first boiled with concentrated nitric acid to
decompose cyanide or sulphide of sodium formed
during Lassaigne's test.
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This is a previous-year question from JEE Main 2022, covering the Salt Analysis chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.