Which pair can be used as a reactant for the preparation of acetyl chloride:
Correct answer: D. Both 'B' and 'C'
- A. CH3COOH, HCl
- B. CH3COOH, PCl5
- C. CH3COOH, SOCl2
- D. Both 'B' and 'C'
Explanation
Both phosphorus pentachloride (PCI5) and thionyl chloride (SOCI2) are effective reagents for converting a carboxylic acid, like acetic acid, into the corresponding acyl chloride (acetyl chloride).
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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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