Q18 / 62 · NTA Abhyas (JEE Main) 2020 · Chemistry · Haloalkanes and Haloarenes

The SN2 reaction involves back-side attack and therefore results in a "Walden Inversion." For which one of the substrates shown would you be able to demonstrate that such back-side attack with "Walden Inversion" has infact occurred?

  • A
    1-bromopropane
  • Correct answer
    B
    2-bromobutane
  • C
    3-bromopentane
  • D
    Methyl bromide

Solution

To observe inversion, the substitution must occur at a chiral center.

Hence, the correct answer is option: 'B'.

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