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Grade: 12
        

Potassium ferrocyanide is 50% ionized in aqueous
solution, its van't Hoff factor will be equal to ——.

8 years ago

Answers : (1)

vikas askiitian expert
509 Points
							

K4[Fe(CN)6]•3H2O => 4K+ + [Fe(CN)6]4-

 

1                               0             0                          (initial)

1-x                            4x          x                         (atfter dissociation)

 

vant hoff factor (i) = moles after dissotion/total initial moles

                          = 1+4x

50% ionise means x = 0.5 so

 i = 1 + 4*0.5 = 3

its vant hoff factor is 3

8 years ago
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