Qualitative Analysis (N, S, Halogens): JEE Questions & Solutions
6 previous-year JEE Chemistry questions on Qualitative Analysis (N, S, Halogens), each with a worked step-by-step solution.
Previous-year questions
- 01
Sodium fusion extract of an organic compound (Y) with CHCl3 and chlorine water gives violet colour to the CHCl3 layer. 0.15 g of (Y) gave…
NVAEasyJEE 2026 - 02
In Carius method for estimation of halogens, 180 mg of an organic compound produced 143.5 mg of AgCl. The percentage composition of…
NVAEasyJEE 2025 - 03
The Lassaigne’s extract is boiled with dilute HNO3 before testing for halogens because:
MCQEasyJEE 2024 - 04
Appearance of blood red colour on treatment of the sodium fusion extract of an organic compound with FeSO4 in presence of concentrated H2…
MCQEasyJEE 2024 - 05
Compound that will give positive Lassaigne's test for both nitrogen and halogen is:
MCQEasyJEE 2023 - 06
In Carius tube, an organic compound 'X' is treated with sodium peroxide to form a mineral acid 'Y'. The solution of BaCl2 is added to 'Y'…
MCQEasyJEE 2023
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