Vapour Pressure of Liquid Solutions
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CHXII02:SOLUTIONS

319493 According to Raoult's law mole fraction of solute in solution is given by formula

1 \(\frac{{\Delta {\text{P}}}}{{{\text{P}}_{}^0}}\)
2 \(\frac{{{\text{P}}_{}^{\text{0}}}}{{\text{P}}}\)
3 \(\frac{{{\text{P}}_{}^0}}{{\Delta {\text{P}}}}\)
4 \(\frac{{\text{P}}}{{{\text{P}}_{}^0}}\)
MHTCET - 2021
CHXII02:SOLUTIONS

319494 At \({\rm{25^\circ C}}\) the total pressure of an ideal solution obtained by mixing 3 mole of A and 2 mole of B, is 184 torr. What is the vapour pressure (in torr) of pure B at the same temperature (vapour pressure of pure A at \({\rm{25^\circ C}}\) is 200 torr)?

1 180
2 160
3 16
4 100
CHXII02:SOLUTIONS

319495 Which of the following plots does not represent the behaviour of an ideal binary liquid solution?

1 Plot of \({{\rm{p}}_{\rm{A}}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{A}}}\) (mole fraction of A in liquid phase) is linear
2 Plot of \({{\rm{p}}_{\rm{B}}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{B}}}\) is linear
3 Plot of \({{\rm{P}}_{{\rm{total}}}}\,\,{\rm{total}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{A}}}\,{\rm{(or}}\,\,{{\rm{x}}_{\rm{B}}}{\rm{)}}\) is linear
4 Plot of\({{\rm{p}}_{{\rm{total}}}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{A}}}\) is nonlinear
CHXII02:SOLUTIONS

319496 \({{\rm{p}}_{{\rm{total}}}}{\rm{ = }}{{\rm{x}}_{\rm{1}}}{\rm{p}}_{\rm{1}}^{\rm{o}}{\rm{ + }}{{\rm{x}}_{\rm{2}}}{\rm{p}}_{\rm{2}}^{\rm{o}}{\rm{ = p}}_{\rm{1}}^{\rm{o}}{\rm{ + }}\left( {{\rm{p}}_{\rm{2}}^{\rm{o}}{\rm{ - p}}_{\rm{1}}^{\rm{o}}} \right){{\rm{x}}_{\rm{2}}}\)
Following conculsions can be derived from the above equation.
I. Total vapour pressure of the solution is related to the mole fraction of any one component.
II. Total vapour pressure of the solution varies exponentially with the mole fraction of component 2.
III. Depending on the vapour pressure of pure components 1 and 2, total vapour pressure over the solution decreases or increases with the increase of the mole fraction of component 1.
Select the correct conclusions derived from the given equation.

1 Both I and II
2 Both II and III
3 Both I and III
4 I, II and III
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CHXII02:SOLUTIONS

319493 According to Raoult's law mole fraction of solute in solution is given by formula

1 \(\frac{{\Delta {\text{P}}}}{{{\text{P}}_{}^0}}\)
2 \(\frac{{{\text{P}}_{}^{\text{0}}}}{{\text{P}}}\)
3 \(\frac{{{\text{P}}_{}^0}}{{\Delta {\text{P}}}}\)
4 \(\frac{{\text{P}}}{{{\text{P}}_{}^0}}\)
MHTCET - 2021
CHXII02:SOLUTIONS

319494 At \({\rm{25^\circ C}}\) the total pressure of an ideal solution obtained by mixing 3 mole of A and 2 mole of B, is 184 torr. What is the vapour pressure (in torr) of pure B at the same temperature (vapour pressure of pure A at \({\rm{25^\circ C}}\) is 200 torr)?

1 180
2 160
3 16
4 100
CHXII02:SOLUTIONS

319495 Which of the following plots does not represent the behaviour of an ideal binary liquid solution?

1 Plot of \({{\rm{p}}_{\rm{A}}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{A}}}\) (mole fraction of A in liquid phase) is linear
2 Plot of \({{\rm{p}}_{\rm{B}}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{B}}}\) is linear
3 Plot of \({{\rm{P}}_{{\rm{total}}}}\,\,{\rm{total}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{A}}}\,{\rm{(or}}\,\,{{\rm{x}}_{\rm{B}}}{\rm{)}}\) is linear
4 Plot of\({{\rm{p}}_{{\rm{total}}}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{A}}}\) is nonlinear
CHXII02:SOLUTIONS

319496 \({{\rm{p}}_{{\rm{total}}}}{\rm{ = }}{{\rm{x}}_{\rm{1}}}{\rm{p}}_{\rm{1}}^{\rm{o}}{\rm{ + }}{{\rm{x}}_{\rm{2}}}{\rm{p}}_{\rm{2}}^{\rm{o}}{\rm{ = p}}_{\rm{1}}^{\rm{o}}{\rm{ + }}\left( {{\rm{p}}_{\rm{2}}^{\rm{o}}{\rm{ - p}}_{\rm{1}}^{\rm{o}}} \right){{\rm{x}}_{\rm{2}}}\)
Following conculsions can be derived from the above equation.
I. Total vapour pressure of the solution is related to the mole fraction of any one component.
II. Total vapour pressure of the solution varies exponentially with the mole fraction of component 2.
III. Depending on the vapour pressure of pure components 1 and 2, total vapour pressure over the solution decreases or increases with the increase of the mole fraction of component 1.
Select the correct conclusions derived from the given equation.

1 Both I and II
2 Both II and III
3 Both I and III
4 I, II and III
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CHXII02:SOLUTIONS

319493 According to Raoult's law mole fraction of solute in solution is given by formula

1 \(\frac{{\Delta {\text{P}}}}{{{\text{P}}_{}^0}}\)
2 \(\frac{{{\text{P}}_{}^{\text{0}}}}{{\text{P}}}\)
3 \(\frac{{{\text{P}}_{}^0}}{{\Delta {\text{P}}}}\)
4 \(\frac{{\text{P}}}{{{\text{P}}_{}^0}}\)
MHTCET - 2021
CHXII02:SOLUTIONS

319494 At \({\rm{25^\circ C}}\) the total pressure of an ideal solution obtained by mixing 3 mole of A and 2 mole of B, is 184 torr. What is the vapour pressure (in torr) of pure B at the same temperature (vapour pressure of pure A at \({\rm{25^\circ C}}\) is 200 torr)?

1 180
2 160
3 16
4 100
CHXII02:SOLUTIONS

319495 Which of the following plots does not represent the behaviour of an ideal binary liquid solution?

1 Plot of \({{\rm{p}}_{\rm{A}}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{A}}}\) (mole fraction of A in liquid phase) is linear
2 Plot of \({{\rm{p}}_{\rm{B}}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{B}}}\) is linear
3 Plot of \({{\rm{P}}_{{\rm{total}}}}\,\,{\rm{total}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{A}}}\,{\rm{(or}}\,\,{{\rm{x}}_{\rm{B}}}{\rm{)}}\) is linear
4 Plot of\({{\rm{p}}_{{\rm{total}}}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{A}}}\) is nonlinear
CHXII02:SOLUTIONS

319496 \({{\rm{p}}_{{\rm{total}}}}{\rm{ = }}{{\rm{x}}_{\rm{1}}}{\rm{p}}_{\rm{1}}^{\rm{o}}{\rm{ + }}{{\rm{x}}_{\rm{2}}}{\rm{p}}_{\rm{2}}^{\rm{o}}{\rm{ = p}}_{\rm{1}}^{\rm{o}}{\rm{ + }}\left( {{\rm{p}}_{\rm{2}}^{\rm{o}}{\rm{ - p}}_{\rm{1}}^{\rm{o}}} \right){{\rm{x}}_{\rm{2}}}\)
Following conculsions can be derived from the above equation.
I. Total vapour pressure of the solution is related to the mole fraction of any one component.
II. Total vapour pressure of the solution varies exponentially with the mole fraction of component 2.
III. Depending on the vapour pressure of pure components 1 and 2, total vapour pressure over the solution decreases or increases with the increase of the mole fraction of component 1.
Select the correct conclusions derived from the given equation.

1 Both I and II
2 Both II and III
3 Both I and III
4 I, II and III
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CHXII02:SOLUTIONS

319493 According to Raoult's law mole fraction of solute in solution is given by formula

1 \(\frac{{\Delta {\text{P}}}}{{{\text{P}}_{}^0}}\)
2 \(\frac{{{\text{P}}_{}^{\text{0}}}}{{\text{P}}}\)
3 \(\frac{{{\text{P}}_{}^0}}{{\Delta {\text{P}}}}\)
4 \(\frac{{\text{P}}}{{{\text{P}}_{}^0}}\)
MHTCET - 2021
CHXII02:SOLUTIONS

319494 At \({\rm{25^\circ C}}\) the total pressure of an ideal solution obtained by mixing 3 mole of A and 2 mole of B, is 184 torr. What is the vapour pressure (in torr) of pure B at the same temperature (vapour pressure of pure A at \({\rm{25^\circ C}}\) is 200 torr)?

1 180
2 160
3 16
4 100
CHXII02:SOLUTIONS

319495 Which of the following plots does not represent the behaviour of an ideal binary liquid solution?

1 Plot of \({{\rm{p}}_{\rm{A}}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{A}}}\) (mole fraction of A in liquid phase) is linear
2 Plot of \({{\rm{p}}_{\rm{B}}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{B}}}\) is linear
3 Plot of \({{\rm{P}}_{{\rm{total}}}}\,\,{\rm{total}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{A}}}\,{\rm{(or}}\,\,{{\rm{x}}_{\rm{B}}}{\rm{)}}\) is linear
4 Plot of\({{\rm{p}}_{{\rm{total}}}}\,\,{\rm{versus}}\,\,{{\rm{x}}_{\rm{A}}}\) is nonlinear
CHXII02:SOLUTIONS

319496 \({{\rm{p}}_{{\rm{total}}}}{\rm{ = }}{{\rm{x}}_{\rm{1}}}{\rm{p}}_{\rm{1}}^{\rm{o}}{\rm{ + }}{{\rm{x}}_{\rm{2}}}{\rm{p}}_{\rm{2}}^{\rm{o}}{\rm{ = p}}_{\rm{1}}^{\rm{o}}{\rm{ + }}\left( {{\rm{p}}_{\rm{2}}^{\rm{o}}{\rm{ - p}}_{\rm{1}}^{\rm{o}}} \right){{\rm{x}}_{\rm{2}}}\)
Following conculsions can be derived from the above equation.
I. Total vapour pressure of the solution is related to the mole fraction of any one component.
II. Total vapour pressure of the solution varies exponentially with the mole fraction of component 2.
III. Depending on the vapour pressure of pure components 1 and 2, total vapour pressure over the solution decreases or increases with the increase of the mole fraction of component 1.
Select the correct conclusions derived from the given equation.

1 Both I and II
2 Both II and III
3 Both I and III
4 I, II and III