JEE · NEET Previous Year Question
Using Kjeldahl's method over of a soil sample, the ammonia evolved could neutralise of . Then, the percentage of nitrogen present in the sample is
Topic: JEE PYQ
Answer: C. Full step-by-step solution below.
- A
- B
- C
- D
Correct answer: C
Solution
(c) of corresponds to 25 mili mol.It will neutralise 50 mili mol of .
weight of
Thus of sample of organic compound contains of nitrogen.
of nitrogen in organic sample is .
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