JEE Main & Advanced Sample Paper JEE Main Sample Paper-29

  • question_answer
    A certain volume V ml of a gaseous hydrocarbon was exploded with an excess oxygen \[3\,V\] ml of \[C{{O}_{2}}\] is produced and for that combustion \[4\,V\] ml \[{{O}_{2}}\] is required. All volume measurements were under the same conditions of temperature and pressure. What is the molecular formula of the hydrocarbon?

    A) \[{{C}_{2}}{{H}_{4}}\]                                    

    B) \[{{C}_{3}}{{H}_{6}}\]

    C) \[{{C}_{3}}{{H}_{4}}\]   

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

    Correct Answer: C

    Solution :

    \[=\ell n\,(\cos ec\,x-\cot x)+\ell n\,\sin x+C\]

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