Chemistry · 2025
JEE Main · 2 April 2025, Shift 2 · Q62
Formation of Na_4[ Fe ( CN )_5 NOS ], a purple coloured complex formed by addition of sodium nitroprusside in sodium carbonate extract of salt…
Formation of $\displaystyle \mathrm{Na}_4\left[\mathrm{Fe}(\mathrm{CN})_5 \mathrm{NOS}\right]$, a purple coloured complex formed by addition of sodium nitroprusside in sodium carbonate extract of salt indicates the presence of :
Official answer
From NTA’s final answer key for this paper.
(3)
Sulphide ion
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.