Answered: Give the reason for the fusion of an…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Give the reason for the fusion of an organic compound with sodium metal for testing nitrogen, sulphur and halogens.

Expert Solution

Step 1

For the detection of Nitrogen, sulphur and halogens is done by fusing the organic compound sodium metal the extract prepared for this process is called Lassaigne's extract. As Nitrogen, Sulphur and Halogens covalently bonded to the organic compound. So they are converted into ionic compound with sodium metal.

These elements are fuse with sodium metal and hence converted into ionic form. The reaction is given below:

$Na + C + N \to NaCN Na + S + C + N \to NaSCN 2 Na + S \to {Na}_{2} X Na + X \to NaX$

Here, X is halogen ( Cl, Br, I )

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