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

  • question_answer Geometrical isomerism is shown by [IIT-JEE 1983; CPMT 1990, 94; CBSE PMT 1992; MP PET 1997; AMU (Engg.) 1999]

    A) 2-butene

    B) 2-butyne

    C) 2-butanol

    D) Butanal

    Correct Answer: A

    Solution :

      \[\underset{\text{2-butene}}{\mathop{\underset{\text{(Cis)}}{\mathop{\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,}{\mathop{HC}}\,}}\,=\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,}{\mathop{CH}}\,}}\,}}\,}}\,\] and \[\underset{\text{2-butene}}{\mathop{\underset{\text{(Trans)}}{\mathop{\underset{C{{H}_{3}}}{\mathop{\underset{\,|\,\,\,\,\,\,\,}{\mathop{HC\,}}\,}}\,=\overset{\,C{{H}_{3}}}{\mathop{\overset{|\,\,\,\,\,}{\mathop{CH}}\,}}\,}}\,}}\,\]

adversite


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