1) what are the effect of leaving groups when comparing1-chlorobutane vs. 1-bromobutane and compared 2-chlorobutane vs.2-bromobutane. 2) What are the effect of structures – 1°, 2°, and3° halides when comparing 1-chlorobutane vs. 2-chlorobutane vs.2-chloro-2-methylpropane and comparing 1-bromobutane vs.2-bromobutane vs. 2-bromo-2-methylpropane. 3) What is the effect ofsteric hinderance when compairing 1-chlorobutane vs.1-chloro-2-methylpropane. 4) What is the difference in reactivityof alkyl halide when comparing bromocyclohexane vs.bromocyclopentane in SN reaction. 5) What is the difference inreactivity of alkyl halide when comparing bromocycllohexane vs.bromocyclopentane in SN2 reaction.