How do you detect the presence of nitrogen and sulphur together in an

1.	How do you detect the presence of nitrogen and sulphur together in an organic compound?
Answer» Solution :If both N and S are present, a blood red colour is obtained due to the following reactions `Na + C+N+S overset(DELTA)RARR underset("Sodium sulphocyanide")"NaCNS"` `3NaCNS + FeCl_(3) rarr underset("(Blood red colour) ")underset("Ferric sulphocyanide")(Fe(CNS)_3 +3NaCl)`

Discussion