Methoxy ethane give IODOETHANE with one EQUIVALENT anhydrous HI Order of basicity in aqueous medium `MeNH_(2)ltMe_(2)NHltMe_(3)N` Optically active alkanol will show TOTAL retaintion of configuration during its reaction with `SOCl_(2)` S-2-bromobutane gives R-2-methyl butane nitrile with AgCN as MAJOR product