JEE Main Chemistry question
In the Lassaigne's test for nitrogen, the Prussian-blue colour is due to the formation of ferric ferrocyanide, Feₓ[Fe(CN)₆]ᵧ. What is the value of x?
Answer: 4
Solution
Prussian blue has the formula Fe₄[Fe(CN)₆]₃.
In the Lassaigne's test for nitrogen, the Prussian-blue colour is due to the formation of ferric ferrocyanide, Feₓ[Fe(CN)₆]ᵧ. What is the value of x?
Prussian blue has the formula Fe₄[Fe(CN)₆]₃.