PYQ Vault
EbooksTutor

Dumas method: 60 mL of nitrogen at 300 K and 715 mm from a given mass of compound: percentage of nitrogen

The same question, asked 2 times: 2 Apr 2025*, 3 Apr 2025. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    2 Apr 2025

    120
    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\text{ }K = 15\text{ }mmHg ) is.

    Tap an option to check your answer.

  2. Question 2

    3 Apr 2025

    111
    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 Hg pressure. The percentage composition of nitrogen in the compound is (Given : Aqueous tension at 300 K=15 mmHg300\text{ }K = 15\text{ }mmHg )

    Tap an option to check your answer.