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JEE Main & Advanced Chemistry Organic Chemistry: Some Basic Principles & Techniques / कार्बनिक रसायन : कुछ मूलभूत सिद्धांत एवं तकन Question Bank Classification and nomenclature of organic compounds

  • question_answer
    IUPAC name of \[C{{H}_{2}}=CH-CH(C{{H}_{3}}C{{H}_{2}})\underset{Br}{\mathop{\underset{|\,\,\,\,\,}{\mathop{C=}}\,}}\,C{{H}_{2}}\] is ?..  [JEE Orissa 2004]

    A) 4-bromo-3-ethyl-1, 4-pentadiene

    B) 2-bromo-3-ethyl-1, 4-pentadiene

    C) 2-bromo-3-ethyl-1, 5-pentadiene

    D) None of these

    Correct Answer: B

    Solution :

    \[\underset{2\text{ bromo-3-ethyl -1, 4 pentadiene}}{\mathop{\overset{5}{\mathop{C{{H}_{2}}}}\,=\overset{4}{\mathop{CH}}\,-\overset{3}{\mathop{CH}}\,(C{{H}_{3}}C{{H}_{2}})-\underset{Br}{\mathop{\underset{|}{\mathop{\overset{2}{\mathop{C}}\,}}\,}}\,=\overset{1}{\mathop{C{{H}_{2}}}}\,}}\,\]


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