JEE Main 2020 — Salt Analysis Question with Solution
From: JEE Main 2020 (Online) 6th September Evening Slot
Question
Match the following :
| Test/Method | Reagent |
|---|---|
| (i) Lucas Test | (a) C6H5SO2Cl/ aq. KOH |
| (ii) Dumas method | (b) HNO3/ AgNO3 |
| (iii) Kjeldahl’s method | (c) CuO/CO2 |
| (iv) Hinsberg test | (d) Conc. HCl and ZnCl2 |
| (e) H2SO4 |
Choose an option
Show full solutionCorrect option: B
Correct answer
B(i)-(d), (ii)-(c), (iii)-(e), (iv)-(a)
Step-by-step explanation
Lucas reagent – Conc. HCl/ZnCl2
Dumas method – CuO/CO2
Kjeldahl’s method – H2SO4
Hinsberg test – C6H5SO2Cl/aq. KOH
Dumas method – CuO/CO2
Kjeldahl’s method – H2SO4
Hinsberg test – C6H5SO2Cl/aq. KOH
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This is a previous-year question from JEE Main 2020, 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.