Name the gas evolved when action of dilute hydrochloric acid on sodium sulphite takes place?
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Sulfur dioxide gas is evolved when reaction of dilute hydrochloric acid on sodium sulphite takes place.
- Sulfur dioxide is having a rotten egg type smell.
- Along with the sulfur dioxide, sodium chloride (a salt) is also formed.
- Reaction is as follows-
Na₂SO₃ + 2 HCl → 2 NaCl + H₂O + SO₂
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Hydrogen Sulphide gas is evolved
This is 100% correct
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