Which of the following statement is/are true for `XeF_6` ?

Options

A. Its partial hydrolysis gives `XeOF_4`
B. Its reaction with silica gives `XeOF_4`
C. It is prepared by the reaction of `XeF_4` and `O_2F_2`
D. Its reaction with `XeO_3` gives `XeOF_4`

Answer

a,b,c,d