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NEET Sample Paper NEET Sample Test Paper-24

  • question_answer
    An organic compound containing C, H and N have the percentage 40, 13.33 and 46.67 respectively. Its empirical formula may be:

    A) \[{{C}_{2}}{{H}_{7}}N\]                    

    B) \[{{C}_{2}}{{H}_{7}}{{N}_{2}}\]

    C) \[C{{H}_{4}}N\]                      

    D) \[C{{H}_{5}}N\]

    Correct Answer: C

    Solution :

     % Relative no. of atoms Simple ratio
    C 40 \[\frac{40}{12}=3.33\] \[\frac{3.33}{3.33}=1\]
    H 13.33 \[\frac{13.33}{1}=13.33\] \[\frac{13.33}{3.33}=4\]
    N 46.67 \[\frac{46.67}{14}=3.33\] \[\frac{3.33}{3.33}=1\]
    \[\therefore \]Empirical formula is\[C{{H}_{4}}N\].


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