Question

Which of the following methods is not used for the conversion of carboxylic acids into acid halides ?

• A. RCOOH + SOC$\longrightarrow$
• B. RCOOH + PCl5$\longrightarrow$
• C. RCOOH + C$\longrightarrow$
• D. RCOOH + PCl3$\longrightarrow$

Answer 1

Answer: (C)

RCOOH + C$\longrightarrow$

Answer 2

RCOOH + SOCl2$\longrightarrow$RCOCl + SO2+ HCl

RCOOH + PCl5$\longrightarrow$ RCOCl + POCl3

RCOOH + PCl3 $\longrightarrow$RCOCl + H3PO3