MGIMS ­ WARDHA MGIMS WARDHA Solved Paper-2012

  • question_answer 95) For the complete combustion of 4 L ethane, how much oxygen is required?

    A)  14 L                                      

    B)  4L

    C)  8L                                          

    D)  12 L

    Correct Answer: A

    Solution :

                    \[2{{C}_{6}}{{H}_{6}}+7{{O}_{2}}\xrightarrow{{}}4C{{O}_{2}}+6{{H}_{2}}O\] \[2\times 22.4\text{ }L\] ethane required to complete burning =156.8\[{{O}_{2}}\].                 \[4L=\frac{156.8}{2\times 22.4}\times 4\] \[=14L{{O}_{2}}\]

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