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Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryHaloalkanes and Haloarenes3 Marks
Question
  1. State one use each of DDT and iodoform.
  2. Which compound in the following couples will react faster in SN2 displacement and why?
  1. 1-Bromopentane or 2-bromopentane.
  2. 1-Bromo-2-methylbutane or 2-bromo-2-methylbutane.
✓

Answer

  1. DDT is used as an insecticide and Iodoform is used as a mild antiseptic.
  2.  
  1. 1-Bromo pentane, as it is a primary alkyl halide.
  2. 1-Bromo-2-methyl butane, as it is a primary alkyl halide.

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