o-hydroxy benzyl alcohol when reacted with PCl3 gives the product as (IUPAC Name)

Question. o-hydroxy benzyl alcohol when reacted with PCl₃ gives the product as (IUPAC Name)
(a) o- hydroxy benzyl chloride
(b) 2- chloromethylphenol
(c) o-chloromethylchlorobenzene
(d) 4-hydroxymethylphenol

Answer: (b) 2- chloromethylphenol