Question
Question: The blood red colour in the combination test of nitrogen and sulphur in organic compound is due to t...
The blood red colour in the combination test of nitrogen and sulphur in organic compound is due to the formation of :
A
Ferric sulpho cyanide
B
Ferric acetate
C
Ferrous sulpho cyanide
D
Ferric cyanide
Answer
Ferric sulpho cyanide
Explanation
Solution
Na + C+N+S ⟶ NaCNS
from organic compound Sod. Sulphocyanide
3NaCNS + Fe+3 ⟶ Fe(CNS)3 + 3Na+
(blood red)