Give the correct order of initials T of F for following statements. Use T if statement is true and F if it is false.
(a) SOCl2,PCl3 and HCl all converts an alcohol into alkyl halide
(b) Mechanism of all the three reagents are identical
(c) Mechanism for SOCl2 and PCl3 are identical but a differnt mechanism is followed in case of HCl
(d) They all are used commercially to convert acetic acid into acetyl chloride