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Haryana PMT Haryana 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, 3-propanetrinitrile

    D)  3-cyano-l, 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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