Van-t Hoff factors of aqeuous solutions of x - y and z are 2-8-1-8 and 3-5 respectively- Which of the following statements is correct-A- Boiling Point Order - x - y - ZB- Freezing Point Order - z - x - yC- Osmotic Pressure Order- x-y-zD- Vapour Pressure Order - y - x - Z

The correct option is B Freezing Point Order : z lt; x lt; yObserved colligative property =i × normal colligative property Depression in freezing point fo ...

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Standard XII

Chemistry

Van't Hoff Factor

van't Hoff fa...

Question

van't Hoff factors of aqeuous solutions of x, y and z are 2.8, 1.8 and 3.5 respectively. Which of the following statements is correct?

Boiling Point Order :

x < y < z

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Freezing Point Order :

z < x < y

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Osmotic Pressure Order:

x = y = z

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Vapour Pressure Order :

y < x < z

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Solution

The correct option is B Freezing Point Order : $z < x < y$
Observed colligative property =i $\times$ normal colligative property

Depression in freezing point follows the order :
$y < x < z (T_{F} = T_{f}^{0} - Δ T_{f})$

$\Rightarrow$ Freezing point of the solutions follows the order : $z < x < y$

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van't Hoff factors of aqeuous solutions of x, y and z are 2.8, 1.8 and 3.5 respectively. Which of the following statements is correct?

The correct option is B Freezing Point Order : z<x<yObserved colligative property =i × normal colligative property Depression in freezing point follows the order : y<x<z(TF=T0f−ΔTf) ⇒ Freezing point of the solutions follows the order : z<x<y