JEE Main Qualitative and Practical Chemistry questions with solutions

Salt analysis, cation and anion tests and practical organic analysis. 8 questions from our 2016–2024 JEE Main pattern papers, from the Class 11 Chemistry syllabus. Each has the answer and a full solution.

Also practise: Qualitative and Practical Chemistry for JEE Advanced

JEE Main 2024

A salt gives an apple-green flame, a yellow precipitate with K2CrO4 in acetic acid, and a white precipitate with dilute H2SO4 that does not dissolve…JEE Main 2024 · easy
In a Kjeldahl estimation, the ammonia from 0.280 g of an organic compound was absorbed in 50.0 mL of 0.200 N H2SO4. The excess acid required 32.0 mL…JEE Main 2024 · easy
Combustion of 0.45 g of an organic compound containing only C, H and O gives 0.66 g of CO2 and 0.27 g of H2O. The vapour density of the compound is…JEE Main 2024 · medium

JEE Main 2023

350 g of an organic compound is subjected to Kjeldahl's digestion and the ammonia evolved is absorbed in 40.0 mL of 0.500 M H2SO4. The unreacted acid…JEE Main 2023 · medium

JEE Main 2021

In a Kjeldahl estimation, 1.0 g of an organic compound is digested and the ammonia evolved is absorbed in 50 mL of 0.50 M H2SO4. The unreacted acid…JEE Main 2021 · easy

JEE Main 2019

In a Kjeldahl determination, 0.300 g of an organic compound releases all its nitrogen as NH3, which is absorbed in 30.0 mL of 0.200 M H2SO4. The…JEE Main 2019 · medium

JEE Main 2017

In Kjeldahl's method, the ammonia evolved from 0.40 g of an organic compound is absorbed in 50 mL of 0.50 N H2SO4. The excess acid requires 30 mL of…JEE Main 2017 · easy

JEE Main 2016

A white water-soluble salt imparts a brick-red colour to the flame, gives a brown ring when its solution is mixed with freshly prepared FeSO4 and…JEE Main 2016 · easy

Other Chemistry topics

Alcohols, Phenols, Ethers and Haloalkanes 16 Atomic Structure 12 Biomolecules and Polymers 14 Carbonyl Compounds, Carboxylic Acids and Amines 25 Chemical Bonding and Molecular Structure 14 Chemical Equilibrium 10 Chemical Kinetics 13 Chemical Thermodynamics 16 Coordination Compounds 18 Electrochemistry 18 General Organic Chemistry and Isomerism 13 Hydrocarbons 16 Ionic Equilibrium 11 Mole Concept and Stoichiometry 12 Periodic Properties 9 Redox Reactions and Titrations 9 Solutions, Solid State and Surface Chemistry 19 d- and f-Block Elements and Metallurgy 14 s-Block, p-Block Elements and Hydrogen 23