What is the primary product when a carboxylic acid reacts with thionyl chloride (SOCl2)?
Correct Answer: Acid chloride
- Step 1: Identify the reactants. We have a carboxylic acid and thionyl chloride (SOCl2).
- Step 2: Understand what a carboxylic acid is. It has a functional group -COOH.
- Step 3: Know that thionyl chloride is a reagent used to convert carboxylic acids into acid chlorides.
- Step 4: When the carboxylic acid reacts with thionyl chloride, the -OH group from the acid is replaced.
- Step 5: The reaction produces an acid chloride, which has the functional group -COCl.
- Step 6: The byproducts of this reaction are sulfur dioxide (SO2) and hydrochloric acid (HCl).
- Step 7: Therefore, the primary product of the reaction is an acid chloride.
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