question_answer 68)

  The values of van't Hoff factors for KCl, NaCI and K2SO4 respectively .are (a) 2, 2 and 2      (b) 2, 2 and 3      (c) 1,1 and 2                        (d) 1, 1 and 1

Answer:

                  (b) Number of total ions present in the solution is known as van't Hoff factors (/).

Substances	Van?t Hoff factor (i)
For KCl	2
For NaCl	2
For K2SO4	3

  Hence, correct choice is (b).