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NEET Sample Paper NEET Sample Test Paper-59

  • question_answer
    In reversible reaction, \[2\,N{{O}_{2}}{{N}_{2}}{{O}_{4}}\] the rate of disappearance on \[N{{o}_{2}}\] is equal to:

    A) \[\frac{2{{K}_{1}}}{{{K}_{2}}}\,{{[N{{O}_{2}}]}^{2}}\]

    B) \[2\,{{K}_{1}}{{[N{{O}_{2}}]}^{2}}-\,2{{K}_{2}}[{{N}_{2}}{{O}_{4}}]\]

    C) \[2\,{{K}_{1}}{{[N{{O}_{2}}]}^{2}}-\,{{K}_{2}}[{{N}_{2}}{{O}_{4}}]\]

    D) \[(2{{K}_{1}}-\,\,{{K}_{2}})\,[N{{O}_{2}}]\]

    Correct Answer: C

    Solution :

    [b] \[2{{K}_{1}}{{[N{{O}_{2}}]}^{2}}-2{{K}_{2}}[{{N}_{2}}{{O}_{4}}]\] \[2N{{O}_{2}}{{N}_{2}}{{O}_{4}}\] Rate of reaction \[N{{O}_{2}}\] \[=\frac{-d\,[N{{O}_{2}}]}{dt}\] \[2{{K}_{1}}{{[N{{O}_{2}}]}^{2}}-2{{K}_{2}}[{{N}_{2}}{{O}_{4}}]\]


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