JIPMER Jipmer Medical Solved Paper-2006

  • question_answer
    Which one of the following contain isopropyl group?

    A)  2, 2, 3, 3-tetramethylpentane

    B)         2-methylpentane

    C)         2, 2, 3-trimethylpentane

    D)         3, 3-dimethylpentane

    Correct Answer: B

    Solution :

    Structure of  2-methyl pentane has isopropyl group       \[{{H}_{3}}C--C{{H}_{2}}--\underset{\text{2-methyl}\,\text{pentane}}{\mathop{C{{H}_{2}}--\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{CH}}\,}}\,--C{{H}_{3}}}}\,\]


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