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

  • question_answer The number of geometrical isomers in case of a compound with the structure \[C{{H}_{3}}-CH=CH-CH=CH-{{C}_{2}}{{H}_{5}}\] is [NCERT 1980]

    A) 4

    B) 3

    C) 2

    D) 5

    Correct Answer: A

    Solution :

      \[\overset{1\,\,\,\,\,\,\,}{\mathop{C{{H}_{3}}}}\,-\overset{2\,\,\,\,}{\mathop{CH}}\,=\overset{3\,\,\,\,}{\mathop{CH}}\,-\overset{4\,\,\,}{\mathop{CH}}\,=\overset{5\,\,\,\,}{\mathop{CH}}\,-\overset{6,7\,\,\,\,\,\,\,}{\mathop{{{C}_{2}}{{H}_{5}}}}\,\] 1.  2. 3.  4.


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