When both nitrogen and sulphur are present in an organic compound, Lassaigne's test yields a blood-red coloration instead of Prussian blue upon the addition of ions. This is due to the formation of:

Question

When both nitrogen and sulphur are present in an organic compound, Lassaigne's test yields a blood-red coloration instead of Prussian blue upon the addition of $Fe^{3+}$ ions. This is due to the formation of:

Prashant Kotian · Accepted Answer

Correct answer: A. When both N and S are present, sodium fusion forms sodium thiocyanate (). The addition of ions reacts with to form the blood-red complex iron(III) thiocyanate, or .

💡 Solution & Explanation

Practice 22,000+ questions like this