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JCECE Medical JCECE Medical Solved Paper-2010

  • question_answer
    0.765 g of an acid gives 0.535 g of \[\text{C}{{\text{O}}_{\text{2}}}\]and 0.138 g of \[\text{C}{{\text{O}}_{\text{2}}}\]Then, the ratio of the percentage of carbon and hydrogen is

    A)  19:2          

    B)  18:11

    C)  20: 17          

    D)  1:7

    Correct Answer: A

    Solution :

     % of \[C=\frac{12}{44}\times \frac{0.535}{0.765}\times 100=19.07\] %  \[H=\frac{2}{8}\times \frac{0.138}{0.765}\times 100=2.004\] Ratio of % \[C:H=19:2\](approx)


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