Propene `CH_(3)CH=CH_(2)` can be converted into 1-propanol by oxidation. Indicate which sets of reagents amongst the following is ideal to effect the above converseion?
A. `KMnO_(4)`(alkaline)
B. Osmium tetroxide `(OsO_(4)//CH_(2)Cl_(2))`
C. `B_(2)H_(6)` and alk. `H_(2)O_(2)`
D. `O_(3)//Zn`