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CET Karnataka Medical CET - Karnataka Medical Solved Paper-2011

  • question_answer
    1.2 g of organic compound of Kjeldahlization liberates ammonia which consumes \[30c{{m}^{3}}\] of\[1N\text{ }HCl\]. 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 \[=\frac{1.4\times N\,of\text{ }acid\times Vol.\text{ }used\text{ }with\text{ }N{{H}_{3}}}{eight\text{ }of\text{ }organic\text{ }compound}\] \[=\frac{1.4\times 1\times 30}{1.2}\] \[=35\]


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