11th Class Chemistry Equilibrium Question Bank 11th CBSE Chemistry Ionic Equilibrium

  • question_answer Will the pH of water be same at 4°C and 25°C? Explain.


                    No, pH of water is not same at 4°C and 25°C. This is because with increase in temperature, dissociation of\[{{H}_{2}}O\] molecules increases. Hence, \[[{{H}^{+}}]\] will increase, i.e., pH decreases. Thus, pH at 4°C will be more than at 25°C.

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