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JEE Main Chemistry Class 12 Amines Questions Part 2 Questions
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Question : 58
Total: 86
During halogen test, sodium fusion extract is boiled with concentrated
HNO
3
to
[25-Jun-2022-Shift-2]
remove unreacted sodium
decompose cyanide or sulphide of sodium
extract halogen from organic compound
maintain the
pH
of extract.
Validate
Solution:
During test for halogen, if nitrogen or sulphur is also present in the compound, then sodium fusion extract is first boiled with concentrated nitric acid to decompose cyanide or sulphide of sodium formed during Lassaigne's test.
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