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12th Class Chemistry Sample Paper Chemistry Sample Test Paper-7

  • question_answer
      A decimolar solution of potassium ferocyanide of 300K is 50%, dissociated. Calculate the osmotic pressure of the solution.                                                                                                                                                                                              5

    Answer:

                                                                                                                                                         Since one molecule dissociates into five particles n = 5.                                                                                 1 Degree of dissociation  = 0.5 Now degree of dissociation (a) is given by                                                           or                                                                                                                                                                                                                                                   1 Calculation of osmotic pressure As                                                                                                                                                                                                                                                                                                                                                       = 7.38 atm.                                                                                                                                    2


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