Chemistry · 2022
Purification and Characterisation of Organic CompoundsLassaigne's Test and Detection of Other Elements
JEE Main · 28 June 2022, Shift 1 · Q80
The formula of the purple colour formed in Laissaigne's test for sulphur using sodium nitroprusside is
The formula of the purple colour formed in Laissaigne's test for sulphur using sodium nitroprusside is
Official answer
(4)
$\displaystyle \mathrm{Na}_4\left[\mathrm{Fe}(\mathrm{CN})_5(\mathrm{NOS})\right]$
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