CBSE Class 11-science Answered
When nitrogen and sulphur are both present in an organic compound, what is the test to perform?
Asked by Topperlearning User | 28 Jun, 2016, 16:38: PM
Expert Answer
When nitrogen and sulphur are both present in an organic compound, sodium thiocyanate is formed and it gives blood red colour.
Na + C + N+ S 
NaSCN
NaSCN Fe3+ + SCN - [ Fe (SCN) ]2+
[ Fe (SCN) ]2+ Blood red
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