JEE Main & Advanced Chemistry GOC Question Bank Structural and stereo isomerism

  • question_answer Only two isomeric monochloro derivatives are possible for [Pb. PMT 2000]

    A) 2-methyl propane

    B) n-pentane

    C) Benzene

    D) 2, 4-dimethyl pentane

    Correct Answer: A

    Solution :

      Two isomeric forms are possible for 2-methyl propane. \[\underset{\underset{\underset{\underset{n-\text{butane}}{\mathop{{}}}\,}{\mathop{{}}}\,}{\mathop{{}}}\,}{\mathop{C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{3}}}}\,\,\,\And \,\,\underset{2-\text{methyl}\,\,\,\text{propane}}{\mathop{C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,}{\mathop{CH\,}}\,}}\,-C{{H}_{3}}}}\,\]

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