1.In a SN_NN2 substitution reaction of the type R−-−Br + Cl−^-− →DMF\xrightarrow{\text{DMF}}DMF R−-−Cl + Br−^-−, which one of the following has the highest relative rate?a.CH3_33CH2_22CH2_22Brb.CH3_33CH(Br)CH3_33c.(CH3_33)3_33CCH2_22Brd.CH3_33CH2_22BrLogin to continueOnly logged in users canattempt or see the solution.
