Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2007

  • question_answer
    How many isomeric butanes are there?

    A)  \[2\]                                    

    B) \[3\]

    C)  \[4\]                                    

    D)  \[5\]

    Correct Answer: A

    Solution :

    There are two isomeric butanes. \[\underset{normal\,\,\text{butane}}{\mathop{C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{3}}}}\,\] \[\underset{iso-\text{butane}}{\mathop{\underset{H}{\overset{C{{H}_{3}}}{\mathop{C{{H}_{3}}-\underset{|}{\mathop{\overset{|}{\mathop{C}}\,}}\,-C{{H}_{3}}}}}\,}}\,\]


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