JEE Main 2025 Chemistry question
Given below are two statements : Statement I : In Lassaigne's test, the covalent organic molecules are transformed into ionic compounds. Statement II : The sodium fusion extract of an organic compound having N and S gives prussian blue colour with FeSO4 and Na4[Fe(CN)6] In the light of the above statements, choose the correct answer from the options given below
Answer: (4)
Solution
Statement II is false - N and S together give blood red colour (not prussian blue) due to sodium thiocyanate.