JEE MAIN - Chemistry (2025 - 24th January Morning Shift - No. 4)
Consider the given plots of vapour pressure (VP) vs temperature(T/K). Which amongst the following options is correct graphical representation showing $\Delta \mathrm{T}_{\mathrm{f}}$, depression in the freezing point of a solvent in a solution?
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_24th_January_Morning_Shift_en_4_2.png)
_24th_January_Morning_Shift_en_4_3.png)
_24th_January_Morning_Shift_en_4_4.png)
Explanation
On adding non-volatile solute in a solvent, the freezing point of solution decreases.
$$\mathrm{T}_{\mathrm{f}}<\mathrm{T}_{\mathrm{f}}^0$$
F.P. of solution $<$ F.P. of pure solvent
Also V.P. of solution decreases on adding nonvolatile solute in a solvent.
_24th_January_Morning_Shift_en_4_5.png)
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