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CMC Medical CMC-Medical Ludhiana Solved Paper-2012

  • question_answer
    The following data are for the decomposition of ammonium nitrite in aqueous solution     Vol. of \[{{N}_{2}}\]in cc Time (min.) 6.55            10 9.00            15 11.40          20 13.65          25 35.65          \[\infty \] The order of reaction is

    A)  zero                                     

    B)  one

    C)  two                                      

    D)  three

    Correct Answer: B

    Solution :

                    For first order reaction\[k=\frac{2.303}{t}\log \frac{a}{a-x}\]\[a\propto {{V}_{\infty }}(35.05)\]and \[x\propto {{V}_{t}}\]constant values of \[k\]calculated for different times shows first order reaction.


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