JEE Main Chemistry question

Select the correct statement about the detection of sulphur in organic compounds.

(A)Sulphur present in an organic compound, on fusion with sodium, is converted to Na₂S₂O₃
(B)FeCl₃ gives a purple colour when added to the sodium fusion extract
(C)Sodium nitroprusside is used to detect the presence of sulphurCorrect
(D)All of the above

Answer: (C)

Solution

Sodium fusion converts sulphur to Na₂S (sodium sulphide), not Na₂S₂O₃, and FeCl₃ alone does not give a characteristic colour

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-139527