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Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryHaloalkanes and Haloarenes1 Mark
MCQ
For the reaction, the major product is formed by:

  • A
    An E1 reaction
  • B
    An E2 reaction
  • C
    SN​1 reaction
  • D
    SN​2 reaction
✓

Answer

  1. An E2 reaction

Explanation:

Since, CH3​CH2​O is a moderate base, so there is no possibility of E1​ reaction and in E1CB​, there takes place the carbanion formation. Hex, there is no anion stabilising group, so E1​CB is not possible.

E. mechanism is possible because of presence of H -atom anti to the leaving group (Br).

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