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Why is SOCl2 preferred over PCl5 for converting RCOOH to RCOCl?
AIt is a cheaper reagent
BIt is a solid reagent
CIt reacts much faster
DBy-products escape as gases
Answer & Solution
Correct answer: D. By-products escape as gases
The by-products SO2 and HCl escape as gas, leaving the acid chloride behind without extra separation.
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