Select the given code of reagents for following conversion and write your answer as abcd. If reagent is used once then you need not to take it again.
(1) `Br_(2)//hv` (2)
NBS
(3) aq. KOH (4) `NaNO_(2)//HCl`
(5) `O_(3)Zn//H_(2)O` (6) `CH_(2)N_(2)//Delta`
(7) `PCl_(3)` (8) conc. `H_(2)SO_(4)//Delta`
(9) Red P/HI (excess)