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CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2011

  • question_answer
    1.2 g of organic compound of Kjeldahlization liberates ammonia which consumes \[30\,\,c{{m}^{3}}\]of\[1\text{ }N\text{ }HCl\]. The percentage of nitrogen in the organic compound is

    A)  30                                         

    B)  35

    C)  46.67                                   

    D)  20.8

    Correct Answer: B

    Solution :

    Percentage of nitrogen \[=\frac{1.4\times N\text{ }of\,acid\times Vol.\text{ }used\text{ }with\text{ }N{{H}_{3}}}{Weight\text{ }of\text{ }organic\text{ }compound}\] \[=\frac{1.4\times 1\times 30}{1.2}\] \[=35\]


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