Question

Which of the following statement is wrong?

• A. Using Lassaigne's test nitrogen and sulphur present in organic compound can be tested
• B. Using Beilstein's test the presence of halogen in a compound can be tested
• C. In Lassaigne's filtrate the'nitrogen present in a organic compound is converted into NaCN
• D. In the estimation of carbon, an organic compound is heated with' CaO in a combustion tube

Answer 1

Answer: (D)

In the estimation of carbon, an organic compound is heated with' CaO in a combustion tube

Answer 2

In. estimation of carbon organic .compound is heated over CuO not CaO. $\therefore$ [d] is wrong statement and rest are correct.