Which alkyl halide from the following would you expect to react more rapidly by `S_(N)2` mechanism ?

Which alkyl halide from the following pairs would you expect to react more rapidly by S_(N)2 mechanism? Explain. CH_(3)undersetunderset(CH_(3))(|)(C)HCH_(2)CH_(2)BrorCH_(3)CH_(2)undersetunderset(CH_(3))(|)(C)HCH_(2)Br

Which alkyl halide from the following pairs would you expect to react more rapidly by S_(N)2 mechanism? Explain. CH_(3)CH_(2)undersetunderset(Br)(|)(C)HCH_(3)orH_(3)C-undersetunderset(CH_(3))(|)oversetoverset(CH_(3))(|)(C)-Br

Which alkyl halide from the following pairs would you expect to react more rapidly by an S_(N)2 mechanism? Explain your answer. (i) CH_(3)CH_(2)CH_(2)CH_(2)Br or CH_(3)CH_(2)underset(Br)underset(|)(C)HCH_(3) .

Which alkyl halide from the following pairs would you expect to react more rapidly by an S_N2 mechanism ? Explain your answer. CH_3 CH_2CH_2CH_2Br or CH_3 CH_2 underset (Br) underset (|)(CH) CH_3

Which alkyl halide from the following pairs would you expect to react more rapidly by an S_(N)2 mechanism? Explain your answer. (i) CH_(3)CH_(2)CH_(2)CH_(2)Br or CH_(3)CH_(2)underset(Br)underset(|)CHCH_(3) (ii) CH_(3)CH_(2)underset(Br)underset(|)CHCH_(3) or H_(2)C-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-Br

Which alkyl halide from the following pairs would you expect to react more rapidly by an S_(N)2 mechanism? Explain your answer. (i) CH_(3)CH_(2)CH_(2)CH_(2)Br or CH_(3)CH_(2)underset(Br)underset(|)CHCH_(3) (ii) CH_(3)CH_(2)underset(Br)underset(|)CHCH_(3) or H_(3)C-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-Br