Describe the reaction of sulphuric (IV) oxide with sodium hydroxide

Describe the reaction of sulphuric (IV) oxide with sodium hydroxide.

Answers

Procedure
- A gas jar full of sulphur (IV) oxide is inverted over sodium hydroxide solution in a trough and shaken.

Observations
- Solution seen rises up in the jar.

Explanation
- Sulphur (IV) oxide is acidic, hence easily absorbed by alkaline solutions such as sodium hydroxide solution.
- Sodium sulphite and sodium hydrogen sulphites are formed depending on amount of sulphur oxide.

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Kavungya answered the question on April 29, 2019 at 13:07

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