JCECE Medical JCECE Medical Solved Paper-2006

  • question_answer
    IUPAC name of \[C{{H}_{3}}-C\equiv C-HC-{{(C{{H}_{3}})}_{2}}\] is:

    A)  \[4-\]methyl\[-2-\]pentyne

    B) \[1,1-\] dimethyl\[-2-\]butyne

    C)  \[2-\]methyl\[-4-\]pentyne

    D)  \[4,4-\]dimethyl\[-2-\]butyne

    Correct Answer: A

    Solution :

     IUPAC name \[\overset{1}{\mathop{C}}\,{{H}_{3}}-\overset{2}{\mathop{C}}\,\equiv \underset{4-\text{methyl}-2-\text{pentyne}}{\mathop{\overset{3}{\mathop{C}}\,-H\underset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{4}{\mathop{C}}}\,}}\,-\overset{5}{\mathop{C}}\,{{H}_{3}}}}\,\]


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