JEE Main 7 Apr 2025 Shift 1 Paper

Section: Chemistry

Question : 52 of 75

Marks: +1, -0

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

[7 Apr 2025 Shift 1]

X=NH3 and Y=K2HgI4+KOH
X=NH3 and Y=HgO
X=HCl and Y=NH4‌Cl
X=NH4‌Cl and Y=KOH

Validate

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