Chemistry · 2025
JEE Main · 7 April 2025, Shift 1 · Q63
When a salt is treated with sodium hydroxide solution it gives gas X. On passing gas X through reagent Y a brown coloured precipitate is formed. X…
When a salt is treated with sodium hydroxide solution it gives gas X . On passing gas X through reagent Y a brown coloured precipitate is formed. X and Y respectively, are
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle \mathrm{X}=\mathrm{NH}_3 \text { and } \mathrm{Y}=\mathrm{K}_2 \mathrm{HgI}_4+\mathrm{KOH}$
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.