JEE Main & Advanced Chemistry GOC Question Bank Critical Thinking

  • question_answer How many chiral isomers can be drawn from 2-bromo, 3-chloro butane [DCE 2003]

    A) 2

    B) 3

    C) 4

    D) 5

    Correct Answer: C

    Solution :

    2-bromo, 3-chloro-butane has 2 chiral carbon atoms, hence has \[{{2}^{2}}=4\] optical isomers. \[C{{H}_{3}}-\underset{H\ \,}{\overset{Br}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,-}}}\,\underset{H\ \,}{\overset{Cl\,}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,-}}}\,C{{H}_{3}}\]

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