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Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2009

  • question_answer
    IUPAC name of the following compound is  \[\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,{{H}_{2}}-\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,{{H}_{2}}\]

    A)  \[1,2,3,-tricyanopropane\]

    B)  \[1-2,3-cyanopropane\]

    C)  \[1-2,\text{ }3-propanetrinitrile\]

    D)  \[3-cyano-1,\text{ }5-dinitrile\]

    Correct Answer: A

    Solution :

    \[\underset{1,2,3-tricyanopropane}{\mathop{\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,{{H}_{2}}-\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,{{H}_{2}}}}\,\] [According to modem recommendations, if there are more than two same functional groups in a compound, they are not included in the main. Chain and their prefixes are used].


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