Which statement is incorrect `:`
A. Monobromination of `2-` methyl butane prodces `3^(@)` bromide as major product where as monochlorination of `2-` methyl butane produces `2^(@)` chloride as major product.
B. Halogenation of alkane in presence of sunlight , is followed through fee radical mechnism.
C. In the reaction of propence with `H_(2)O` & `Br_(2) H_(2)O` is act as nucleophile.
D. Alkanes undergo electrophilic substitution reaction generally.