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NEET Sample Paper NEET Sample Test Paper-76

  • question_answer
    In the reaction, \[{{N}_{2}}{{O}_{4}}\rightleftharpoons 2N{{O}_{2}}\], a is that part of \[{{N}_{2}}{{O}_{4}}\] which dissociates, then the number of moles at equilibrium will be                                                                                                        

    A)  \[{{\left( 1-\alpha  \right)}^{2}}\]                      

    B)  \[3\alpha \]

    C)  \[\alpha \]                                

    D)  \[1+\alpha \]

    Correct Answer: B

    Solution :

    \[({{N}_{2}}{{O}_{4}}\,\,\rightleftharpoons \,\,2N{{O}_{2}})\] 1          0          initially  \[1-\alpha \]        \[2\alpha \]         at equilibrium Total moles at equilibrium \[=\,\,1-\,\,\alpha +2\alpha \,\,=\,1+\alpha \]


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