Published by:
CGP EDU Academic Team
Published on: August 13, 2026
In Lassaigne's test for halogens, it is necessary to remove 
and 
from the sodium fusion extract, if nitrogen and sulphur are present. This is done by boiling the extract with 
. Identify 
and 
.
A
conc. 
B
conc. 
C
conc. 
D
conc. 
Text Solution
Verified by ExpertsThe correct answer is:
D
to remove 
and 
so that they do not interfere with the test for halogen.
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