Reagent (S) for the conversion of propanol into propane is
I2/P
(i) TsCl / Py (ii) LiAlH4
Conc. H2SO4
CH2N2/ ether
CH3−CH2−CH2−OH→Tscl/PyCH3−CH2−CH2−O−Ts→LiAlH4CH3−CH2−CH3