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JEE Main & Advanced Chemistry Organic Chemistry: Some Basic Principles & Techniques / कार्बनिक रसायन : कुछ मूलभूत सिद्धांत एवं तकन Question Bank Chemical analysis of organic compounds

  • question_answer
    A compound gave 80% carbon and 20 % hydrogen on analysis. The compound is possibly [MADT Bihar 1984; MP PMT 1986]

    A) \[{{C}_{6}}{{H}_{6}}\]

    B) \[{{C}_{2}}{{H}_{5}}OH\]

    C) \[{{C}_{2}}{{H}_{6}}\]

    D) \[CHC{{l}_{3}}\]

    Correct Answer: C

    Solution :

    Element                   No. of Moles        Simple Ratio
    C = 80 80/12 = 6.66 1
    H = 20 20/1 = 20 3
    Hence formula = \[C{{H}_{3}}\] or \[{{C}_{2}}{{H}_{6}}\].


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