Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Practical Organic Chemistry question

2025 · 2 Apr · Shift 2 · Q7
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Practical Organic Chemistry
  5. /2025 · 2 Apr · Shift 2 · Q7

Practical Organic Chemistry question

2025 · 2 Apr · Shift 2 · Q7

JEE MainChemistryPractical Organic ChemistryMCQ+4 / −1
In Dumas' method for estimation of nitrogen, 0.5 gram of an organic compound gave 60 mL of nitrogen collected at 300 K temperature and 715 mm Hg pressure. The percentage composition of nitrogen in the compound (Aqueous tension at 300 K=15 mmHg300 \mathrm{~K}=15 \mathrm{~mm} \mathrm{Hg}300 K=15 mmHg ) is ‾\underline{\hspace{2cm}}​%.
  1. A
    20.87
  2. B
    12.57
  3. C
    1.257
  4. D
    18.67
PreviousNext

More from Practical Organic Chemistry

  • 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 pressure. The percentage composition of nitrogen in the compound is ​ %…2025 · Numerical
  • A toxic compound " A " when reacted with NaCN in aqueous acidic medium yields an edible cooking component and food preservative " B ". " B " is converted to " C " by diborane and can be used as an additive to petrol to reduce emission. "C"…2025 · MCQ
  • Match List - I with List - II Choose the correct answer from the options given below : Includes table2025 · MCQ
  • 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 percentage composition of ' N ' in the organic compound is…2025 · Numerical
  • A mixture of 1 g each of chlorobenzene, aniline, and benzoic acid is dissolved in 50 mL ethyl acetate and placed in a separating funnel. 5 M NaOH (30 mL) was added in the same funnel. The funnel was shaken vigorously and then kept aside.…2025 · MCQ
  • Given below are two statements: Statement I: In Lassaigne's test, the covalent organic molecules are transformed into ionic compounds. Statement II: The sodium fusion extract of an organic compound having N and S gives prussian blue colour…2025 · MCQ
  • In Carius method of estimation of halogen, 0.25 g of an organic compound gave 0.15 g of silver bromide ( AgBr ). The percentage of Bromine in the organic compound is ​×10−1%(Nearest integer). (Given :…2025 · Numerical
  • 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 ​×10−1%. (Molar mass : O=16, S=32,Ba=137…2025 · Numerical