Which of the following statement is True

Options

A. `" When " Cl_(2) " is added to " CH_(3)CH_(2)-overset(**)underset(Cl)underset(|)CH-CH_(3) " in "`
Presence of heat and light 1,3-dichlorobutane is obtained with inversion of configuration.
B. Direct halogenation of alkanes is not a good method of preparation of alkyl halides since this procedure gives mixture of isomers.
C. 2-chloro-2-methyl propane is obtained as major product when 2-methtl propane reacts with `Cl_(2)` in Sunlight.
D. For the reaction of `CH_(3)OT_(S)+X^(-) to CH_(3)X` in the gas phase , the order of reactivity of halide ions is `F^(-)gt Cl^(-) gt Br^(-) I^(-).` But in methanol the order is reversed.

Answer

B, D