2. Solved Papers
  3. CEE Kerala Engineering

CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2005

  • question_answer
    A first order reaction is 10% complete in 20 min. The time taken for 19% completion is:

    A) 30 min                                  

    B) 40 min

    C) 50 min                  

    D)        38 min

    E) 45 min

    Correct Answer: B

    Solution :

    10% of the solution is completed in 20 min. Next 20% of the reaction will be completed in next 20 min. Hence, 10%+ 9% =19% of the reaction will be completed in\[20+20=40\] min.


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