Mr. Khan mixes acetic acid with thionyl chloride. Which product is obtained?
Correct answer: A. CH₃COCI + SO₂ + HCl
- A. CH₃COCI + SO₂ + HCl
- B. CH3CI + CH3COCI
- C. CH3COOCH3 + SO2
- D. CH₃CI + SO₂ + HCI
Explanation
The correct product obtained when acetic acid reacts with thionyl chloride is A. CH3COCI + SO2 + HCl, which forms acetyl chloride along with the release of sulfur dioxide (SO2) and hydrogen chloride (HCl).
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About Carboxylic Acids
Carboxylic acids are named and studied through the combined effects of the carbonyl and hydroxyl groups, their preparation, acidity and hydrogen bonding. Reactions include neutralisation, esterification, reduction and conversion into acid chlorides, anhydrides, esters and amides, with emphasis on how these derivatives interconvert.
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