Which of the following alkyl halides on conversion into the Grignard reagent followed by treatment with water would yeild 2-methylbutanae

Which of the following is an alkyl halide

Which of the following is a 2^(@) alkyl halide ?

Which of the following is a 2^(@) alkyl halide ?

Which of the following is an aryl alkyl halide.

Which of the following halides is the best to prepare Grignard reagent?

How many isomeric bromides having formula C_(16)H_(13)Br on conversion into reagant followed by treatment with water would yeild 2,3-dimethylbutane?

Which of the following is a primary alkyl halide ?