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
- 01
In 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 - 02
When 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 - 03
In Carius method 0.2425 g of an organic compound gave 0.5253 g silver chloride. The percentage of chlorine in the organic compound is
MCQEasyJEE 2026 - 04
In 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 - 05
0.25 g of an organic compound “A” containing carbon, hydrogen and oxygen was analysed using combustion method. The increase in mass of…
NVAEasyJEE 2026 - 06
0.53 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 - 07
A 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 - 08
Given below are two statements I and II. Statement I: Dumas method is used for estimation of "Nitrogen" in an organic compound. Statement…
MCQEasyJEE 2025 - 09
Quantitative analysis of an organic compound (X) shows the following percentage composition. C: 14.5 Cl: 64.46 H: 1.8 Empirical formula…
NVAMediumJEE 2025 - 10
In 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 - 11
During 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 - 12
In 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 - 13
In 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 - 14
In 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 - 15
On 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 - 16
In 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 - 17
In Dumas method for the estimation of N2, the sample is heated with copper oxide and the gas evolved is passed over:
MCQEasyJEE 2023 - 18
0.400 g of an organic compound (X) gave 0.376 g of AgBr in Carius method for estimation of bromine. % of bromine in the compound (X) is:
MCQEasyJEE 2023
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