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

A) Sulphur present in organic compound on fusion with sodium is converts to $Na_{2}S_{2}O_{3}$
B) $FeCl_{3}$ gives purple colour when added to the sodium fusion extract
C) Sodium nitroprusside is used to detect the presence of sulphur
D) All of the above
Explanation

(c)
Sulphur is present in the sodium extract in the form of sodium sulphide $(Na_{2}S)$
$FeCl_{3}$ gives blood red colour with sodium extract contain N and S

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.