Which of the Following Sequences Most Efficiently Converts 3-Methyl-1-Pentene into 3-Bromo-3-Methylpentane

Multiple Choice

Which of the following sequences most efficiently converts 3-methyl-1-pentene into 3-bromo-3-methylpentane?

A) 1) HBr;2) NaOH;3) HBr
B) 1) Br₂,h $\nu$ ;2) H₂,Pt
C) 1) H₂,Pt;2) Br₂,h $\nu$
D) 1) NBS,h $\nu$ ;2) H₂,Pt
E) 1) HBr,ROOR;2) NaOH;3) HBr