Select incorrect statements.
A. Methoxy ethane give iodoethane with one equivalent anhydrous HI
B. Order of basicity in aqueous medium `MeNH_(2)ltMe_(2)NHltMe_(3)N`
C. Optically active alkanol will show total retaintion of configuration during its reaction with `SOCl_(2)`
D. S-2-bromobutane gives R-2-methyl butane nitrile with AgCN as major product