Short Answer TypeArrange each set of compounds in order of increasing boiling points:
Bromomethane, Bromoform, Chloro-methane, Dibromomethane.
Arrange each set of compounds in order of increasing boiling points:
1-chloropropane, Isopropyl chloride, 1-chlorobutane.
Which alkyl halide from the following pairs would you expect to react more rapidly by an SN2 mechanism? Explain your answer.
2-bromo-2-methylpropane is tertiary alkyl halide whereas 2-bromobutane is secondary alkyl halide also, 2-bromo-2-methylpropane has number of substituents are present. Hence, 2- bromobutane reacts more rapidly than 2-bromo-2-methylpropane by an SN2 mechanism. 
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