Join ExamsbookAnswer : 4. "4 is correct"
The degree of dissociation (α) of a weak electrolyte, AxBy is related to van't Hoff factor (i) by the expression:
1. α=x+y+1i-1
2.α=x+y-1i-1
3. α=i-1x+y+1
4. α=i-1x+y-15
Q: The degree of dissociation (α) of a weak electrolyte, AxBy is related to van't Hoff factor (i) by the expression: 1. α=x+y+1i-1 2.α=x+y-1i-1 3. α=i-1x+y+1 4. α=i-1x+y-1
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Answer : 4. "4 is correct"
Explanation :
Answer: D) 4 is correct Explanation: Van't Hoff factor (i) = Observed Colligative PropertyNormal Colligative Property AxBy1-α→xA+yxα+yB-xyα Total Moles = 1-α+xα+yα = 1-αx+y-1 i=1+αx+y-11 ⇒α=i-1x+y-1
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