MGIMS WARDHA MGIMS WARDHA Solved Paper-2014

  • question_answer
    Which of the following isomeric heptanes can yield seven different monochlorinated products upon free radical chlorination?

    A)  3-methylhexane    

    B)  2, 2-dimethylpentane

    C)  2-methylhexane    

    D)  2, 3-dimethylpentane

    Correct Answer: A

    Solution :

                    In 3-methylhexane, none out of the seven carbon atoms are equivalent and it gives seven different monochlorinated products upon free radical chlorination. \[{{H}_{3}}\overset{1}{\mathop{C}}\,-\overset{2}{\mathop{C}}\,{{H}_{2}}-\overset{\begin{smallmatrix}  ^{7}C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{\overset{3}{\mathop{C}}\,H}}\,-\overset{4}{\mathop{C}}\,{{H}_{2}}-\overset{5}{\mathop{C}}\,{{H}_{2}}-\overset{6}{\mathop{C}}\,{{H}_{3}}\]


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