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JIPMER Jipmer Medical Solved Paper-2001

  • question_answer
    Conjugated double bonds are present of these in:

    A)  1, 3-butadiene  

    B)         butylene            

    C)         isobutylene     

    D)         propylene

    Correct Answer: A

    Solution :

    One double bond one single bond sequence in a carbon chain is called conjugated system. Hence, conjugated double bonds are present in 1, 3-butadiene. \[\underset{\text{1,}\,\,\text{3-butadiene}}{\mathop{C{{H}_{2}}==CH--CH==C{{H}_{2}}}}\,\]


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