JEE Main Chemistry question

Chemistry The p-Block Elements JEE Main

In the estimation of sulphur in an organic compound, fuming nitric acid is used to convert sulphur into

(A)SO₂
(B)H₂S
(C)H₂SO₃
(D)H₂SO₄Correct

Answer: (D)

Solution

In the Carius method, fuming HNO₃ oxidizes sulphur to sulfate (H₂SO₄/sulfate ion), which is then precipitated and weighed as BaSO₄.

Question ID VK-139514