The violet colour in the Lassaigne's test of sulphur is due... | Chemistry | SolveeIt

The violet colour in the Lassaigne's test of sulphur is due to

$FeCl_3$

$Na_2[Fe(CN)_6$

$Na_4[Fe(CN)_5NOS]$

$Fe_4[Fe(CN)_6]_3$

Answer

$Na_4[Fe(CN)_5NOS]$

Explanation

$Na_2[Fe(CN)_5NO] + Na_2S \rightarrow Na_4[Fe(CN)_5NOS$ ]

Chemistry Question on Organic Chemistry- Some Basic Principles and Techniques