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NEET Sample Paper NEET Sample Test Paper-76

  • question_answer
    Rate constant of any reaction with \[20\,%\] complete in 10 min is

    A)  0.223              

    B)  0.0223               

    C)  0.0322            

    D)  0.322

    Correct Answer: B

    Solution :

    \[K=\frac{2.303}{t}\,\log \,\frac{a}{a-x}=\frac{2.303}{10}\,\log \,\frac{100}{80}\] \[=\,\,\,\,\frac{2.303}{10}\log \,\,5-\log \,4\] \[=\,\,\,\,\frac{2.303}{10}\,\,(0.70-0.47)\] \[K=0.0223\]


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