WB JEE Medical WB JEE Medical Solved Paper-2008

  • question_answer
    Which of the following will exhibit cis-trans isomerism?

    A)  \[C{{H}_{2}}BrC{{H}_{2}}Br\]  

    B)  \[CB{{r}_{3}}C{{H}_{3}}\]

    C)  \[CHBr=CHBr\]                

    D)  \[CB{{r}_{2}}=C{{H}_{2}}\]

    Correct Answer: C

    Solution :

                     Due to restricted rotation about double bond, the alkene shows geometrical isomerism because the relative position of atoms or groups attached to the carbon atoms of the double bond get fixed. If same group or atom attached with double bond bearing carbon, then alkene doesnt show geometrical isomerism.


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