NEET Sample Paper NEET Sample Test Paper-51

  • question_answer Using the data given below the order and rate constant for the reaction: \[C{{H}_{3}}CHO\left( g \right)\to C{{H}_{4}}\left( g \right)+Co\left( g \right)\] would be-     
    Experiment no. Initial cone. Initial rate
    \[\left[ mol/\ell  \right]\] \[\left[ mol.li{{t}^{-1}}\,{{\sec }^{1}} \right]\]
    I 0.10 0.020
    II 0.20 0.080
    III 0.30 0.180
    IV 0.40 0.320
    Answer is-

    A) \[2,\,\,[k=2.0\,\ell /mol\,\,sec]\]

    B) \[0,\,\,[k=2.0\,mol/\ell \,sec]\]

    C) \[\,2,\,\,[k=1.5/\ell mol\,\,sec]\]

    D) \[\,1,\,\,[k=1.5\,se{{c}^{-1}}]\]

    Correct Answer: A

    Solution :

    \[r=K\,{{[C{{H}_{3}}CHO]}^{m}}\] \[\frac{1}{4}=\,\,{{\left( \frac{1}{2} \right)}^{m}}\,\,\,\,\,\,m\,\,=\,\,2\]

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