NEET2015Chemistry-Organic Chemistry
NEET 2015 Chemistry Dumas Method MCQ Question
Type: MCQ-numerical-Hard-Class 11
In Dumas method for estimation of nitrogen, 0.25 g of an organic compound gave 40 mL of nitrogen collected at 300 K temperature and 725 mm pressure. If the aqueous tension at 300 K is 25 mm, the percentage of nitrogen in the compound is ______.
A
17.36
B
18.20
C
16.76
D
15.76
Correct Answer
Option B
Detailed Explanation
Using the ideal gas equation and correcting for aqueous tension, the percentage of nitrogen is calculated.
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