Question

Given below are two statements I and II. 
Statement I: Dumas method is used for estimation of "Nitrogen" in an organic compound. 
Statement II: Dumas method involves the formation of ammonium sulfate by heating the organic compound with concentrated H$_2$SO$_4$. In the light of the above statements, choose the correct answer from the options given below:

• A. Both Statement I and Statement II are true
• B. Statement I is false but Statement II is true
• C. Both Statement I and Statement II are false
• D. Statement I is true but Statement II is false

Hint:

In the Kjeldahl method, the organic compound is digested with concentrated H$_2$SO$_4$ to form ammonium sulfate. In the Dumas method, nitrogen is estimated by measuring the nitrogen gas evolved from the compound.

Answer 1

The Correct Option is D

- Statement I is correct because Dumas method is indeed used for the estimation of nitrogen in organic compounds. It involves heating the compound in the presence of an oxidizing agent and collecting the nitrogen gas evolved.
- Statement II is incorrect because the formation of ammonium sulfate by heating the organic compound with concentrated H$_2$SO$_4$ is part of the Kjeldahl method, not the Dumas method. Therefore, the correct answer is $\boxed{(4)}$.