Question

The yield of chlorobenzene obtained by reaction of phenols with `PCl_(5)` is less due to formation of
A. o-Chlorophenol
B. p-Chlorophenol
C. Phosphorus oxychloride
D. Triphenylphosphate

Answer 1

Correct Answer - D
`C_(6)H_(5)OH+PCl_(5)rarr HCl+POCl_(3)+underset("Chlorobenzene")(C_(6)H_(5)Cl)` The yield of chlorobenzene is poor, as the main product is triphenyl phosphate. `3C_(6)H_(5)OH+POCl_(3)rarr 3HCl+ underset("Triphenyl phosphate")((C_(6)H_(5))_(3)PO_(4))`