The correct statement(s) about the following reaction sequence is (are)
Cumene `(C_(9)H_(12))underset((ii)H_(3)O^(+))overset((i)O_(2))rarrPoverset(CHCl_(3)//NaOH)rarr`
Q(major)+R(minor), `Q underset(PhCH_(2)Br)overset(NaOH)rarrS`
A. R is steam volatile
B. Q given dark violet colouration with `1%` aqueous `FeCl_(3)` solution
C. S gives yellow precipitate with 2,4-dinitrophenool hydrazine
D. S gives dark violet colouration with `1%` aqueous `FeCl_(3)` solution
