JEE Chemistry
Quantitative Analysis (C, H, N…): JEE Questions & Solutions
18 previous-year JEE Chemistry questions on Quantitative Analysis (C, H, N…), each with a worked step-by-step solution.
Previous-year questions
- 01In Carius method, 0.75 g of an organic compound gave 1.2 g of barium sulphate, find percentage of sulphur (molar mass 32 g mol⁻¹). Molar…MCQEasyJEE 2026
- 02When 1 g of compound (X) is subjected to Kjeldahl's method for estimation of nitrogen, 15 mL of 1 M H₂SO₄ was neutralized by ammonia…MCQMediumJEE 2026
- 03In Carius method 0.2425 g of an organic compound gave 0.5253 g silver chloride. The percentage of chlorine in the organic compound isMCQEasyJEE 2026
- 04In Dumas method for estimation of nitrogen, 0.50 g of an organic compound gave 70 mL of nitrogen collected at 300 K and 715 mm pressure.…NVAMediumJEE 2026
- 050.25 g of an organic compound “A” containing carbon, hydrogen and oxygen was analysed using combustion method. The increase in mass of…NVAEasyJEE 2026
- 060.53 g of an organic compound X when heated with excess concentrated nitric acid and then with silver nitrate gave 0.75 g of silver bromide…NVAMediumJEE 2026
- 07A student has been given 0.314 g of an organic compound and asked to estimate Sulphur. During the experiment, the student has obtained…NVAMediumJEE 2026
- 08Given below are two statements I and II. Statement I: Dumas method is used for estimation of "Nitrogen" in an organic compound. Statement…MCQEasyJEE 2025
- 09Quantitative analysis of an organic compound (X) shows the following percentage composition: C: 14.5%, Cl: 64.46%, H: 1.8%, and the…NVAMediumJEE 2025
- 10In the sulphur estimation, 0.20 g of a pure organic compound gave 0.40 g of barium sulphate. The percentage of sulphur in the compound is ×…NVAEasyJEE 2025
- 11During estimation of Nitrogen by Dumas' method of compound X (0.42 g): mL of N₂ gas will be liberated at STP. (nearest integer) (Given…NVAEasyJEE 2025
- 12In Dumas' method for estimation of nitrogen 0.4 g of an organic compound gave 60 mL of nitrogen collected at 300 K temperature and 715 mm…MCQEasyJEE 2025
- 13In Dumas' method for estimation of nitrogen 1 g of an organic compound gave 150 mL of nitrogen collected at 300 K temperature and 900 mm Hg…NVAEasyJEE 2025
- 14In Dumas' method 292 mg of an organic compound released 50 mL of nitrogen gas (N₂) at 300 K temperature and 715 mm Hg pressure. The…NVAMediumJEE 2025
- 15On combustion 0.210 g of an organic compound containing C, H and O gave 0.127 g H₂O and 0.307 g CO₂. The percentages of hydrogen and oxygen…MCQEasyJEE 2025
- 16In sulphur estimation, 0.471 g of an organic compound gave 1.4439 g of barium sulphate. The percentage of sulphur in the compound is…NVAEasyJEE 2023
- 17In Dumas method for the estimation of N₂, the sample is heated with copper oxide and the gas evolved is passed over:MCQEasyJEE 2023
- 180.400 g of an organic compound (X) gave 0.376 g of AgBr in the Carius method for the estimation of bromine. The percentage of bromine in…NVAEasyJEE 2023
Frequently asked questions
Our bank has 18 previous-year JEE Chemistry questions tagged to Quantitative Analysis (C, H, N…), drawn from JEE papers between 2023 and 2026, including 7 from 2026 alone. Each comes with a full step-by-step solution.
Quantitative Analysis (C, H, N…) is rated Advanced overall for JEE Chemistry. The PYQs on this page break down as 12 easy, 6 medium.
Of the 18 previous-year questions on Quantitative Analysis (C, H, N…), 7 are multiple-choice (MCQ) and 11 are numerical-value (NVA) questions.
Based on recent paper analysis, Quantitative Analysis (C, H, N…) is worth about 1 mark in JEE Main. It sits in Purification & Characterisation of Organic Compounds, a Class 11 Chemistry chapter.
More Purification & Characterisation of Organic Compounds topics
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