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Which of the following elements in an or...

Which of the following elements in an organic compound cannot be detected by Lassaigne’s 

A

N

B

S

C

Cl

D

H

Text Solution

Verified by Experts

The correct Answer is:
D
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I. Read the following passage and answer questions 1 - 5 that follow: Nitrogen, sulphur and halogens in an organic compound are detected by Lassaigne's test in which the organic compound is fused with sodium metal. During fusion N is converted to NaCN, S to Na_2 S and halogens to sodium halides. What colour will you get in Lassaigne's test if the compound contains both N and S?

I. Read the following passage and answer questions 1 - 5 that follow: Nitrogen, sulphur and halogens in an organic compound are detected by Lassaigne's test in which the organic compound is fused with sodium metal. During fusion N is converted to NaCN, S to Na_2 S and halogens to sodium halides. Why is an organic compound fused with metallic sodium for testing N, S and halogens?