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Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryHaloalkanes and Haloarenes1 Mark
MCQ
What should be the correct IUPAC name for diethylbromomethane?
  • A
    1-Bromo-1,1-diethylmethane
  • B
    3-Bromopentane
  • C
    1-Bromo-1-ethylpropane
  • D
    1-Bromopentane
✓

Answer

  1. 3-Bromopentane

Explanation:

  1. The structural formula of given compound 'diethylbromomethane' reveals that the longest chain of carbon atoms has five C -atoms in it, therefore the root word is 'pentane'.
  2. The substituent 'Br' is linked with the third carbon atom of the longest chain, hence the IUPAC name of diethylbromomethane is '3-bromopentane'.

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