Manipal Medical Manipal Medical Solved Paper-2002

  • question_answer
    The pH of pure water at\[80{}^\circ C\]will be:

    A)  >7            

    B)  <7

    C)  =7            

    D)  none

    Correct Answer: B

    Solution :

     With the rise in temperature the value of\[{{K}_{W}}\]  increases because by heating dissociation takes place which is an endothermic reaction. Therefore, the value of pH decreases.


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