Assertion (A): The gas liberated on warming a salt with dil \(\mathrm{H}_2 \mathrm{SO}_4\), turns a piece of paper dippe…
Q1
Assertion (A): The gas liberated on warming a salt with dil \(\mathrm{H}_2 \mathrm{SO}_4\), turns a piece of paper dipped in lead acetate into black, it is a confirmatory test for sulphide ion.
Reason (R): In statement-I the colour of paper turns black because of formation of lead sulphite.
[JEE Main 2024, 30 Jan (Shift 1)]
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