Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-fact-Medium-Class 12
What gas is evolved when sodium sulfite is treated with warm dilute sulfuric acid?
A
Sulfur dioxide (SO2)
B
Hydrogen chloride (HCl)
C
Nitrogen dioxide (NO2)
D
Chlorine (Cl2)
Correct Answer
Option A
Detailed Explanation
When sodium sulfite (Na2SO3) is treated with warm dilute sulfuric acid (H2SO4), it produces sulfur dioxide (SO2) gas, which has the characteristic smell of burning sulfur.
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