Vapour Pressure of Liquid Solutions
CHXII02:SOLUTIONS

319445 Assertion :
An ideal solution obeys Raoult's law.
Reason :
In an ideal solution, solute-solute as well as solvent-solvent interactions are similar to solute-solvent interactions.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII02:SOLUTIONS

319446 Assertion :
Dilute solution of benzene and toluene is an ideal solution.
Reason :
Benzene and toluene form \(\mathrm{H}\)-bonding with each other.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII02:SOLUTIONS

319447 For an ideal solution with \({{\rm{P}}_{\rm{A}}}{\rm{ > }}{{\rm{P}}_{\rm{B}}}\) which of the following is true?

1 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ = }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
2 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ > }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
3 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ < }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
4 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}\,\,{\rm{and}}\,\,{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\) do not bear any relalionship with each other.
CHXII02:SOLUTIONS

319448 Identify the linear plot among the following.

1 Vapour pressure of pure liquid vs its mass
2 Vapour pressure of pure liquid vs temperature
3 Vapour pressure of liquid solution vs its mole fraction in ideal solution
4 Vapour pressure of pure liquid vs its mole fraction in ideal solution
CHXII02:SOLUTIONS

319449 Formation of a solution from two components can be considered as
(i) pure solvent \( \to \) separated solvent molecules, \({\rm{\Delta }}{{\rm{H}}_{\rm{1}}}\)
(ii) pure solute \( \to \) separated solute molecules, \({\rm{\Delta }}{{\rm{H}}_{\rm{2}}}\)
(iii) separated solvent and solute molecules \( \to \) solution, \({\rm{\Delta }}{{\rm{H}}_{\rm{3}}}\)
Solution so formed will be ideal if

1 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)
2 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{3}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)
3 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{3}}}\)
4 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)
CHXII02:SOLUTIONS

319445 Assertion :
An ideal solution obeys Raoult's law.
Reason :
In an ideal solution, solute-solute as well as solvent-solvent interactions are similar to solute-solvent interactions.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII02:SOLUTIONS

319446 Assertion :
Dilute solution of benzene and toluene is an ideal solution.
Reason :
Benzene and toluene form \(\mathrm{H}\)-bonding with each other.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII02:SOLUTIONS

319447 For an ideal solution with \({{\rm{P}}_{\rm{A}}}{\rm{ > }}{{\rm{P}}_{\rm{B}}}\) which of the following is true?

1 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ = }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
2 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ > }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
3 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ < }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
4 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}\,\,{\rm{and}}\,\,{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\) do not bear any relalionship with each other.
CHXII02:SOLUTIONS

319448 Identify the linear plot among the following.

1 Vapour pressure of pure liquid vs its mass
2 Vapour pressure of pure liquid vs temperature
3 Vapour pressure of liquid solution vs its mole fraction in ideal solution
4 Vapour pressure of pure liquid vs its mole fraction in ideal solution
CHXII02:SOLUTIONS

319449 Formation of a solution from two components can be considered as
(i) pure solvent \( \to \) separated solvent molecules, \({\rm{\Delta }}{{\rm{H}}_{\rm{1}}}\)
(ii) pure solute \( \to \) separated solute molecules, \({\rm{\Delta }}{{\rm{H}}_{\rm{2}}}\)
(iii) separated solvent and solute molecules \( \to \) solution, \({\rm{\Delta }}{{\rm{H}}_{\rm{3}}}\)
Solution so formed will be ideal if

1 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)
2 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{3}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)
3 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{3}}}\)
4 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)
CHXII02:SOLUTIONS

319445 Assertion :
An ideal solution obeys Raoult's law.
Reason :
In an ideal solution, solute-solute as well as solvent-solvent interactions are similar to solute-solvent interactions.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII02:SOLUTIONS

319446 Assertion :
Dilute solution of benzene and toluene is an ideal solution.
Reason :
Benzene and toluene form \(\mathrm{H}\)-bonding with each other.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII02:SOLUTIONS

319447 For an ideal solution with \({{\rm{P}}_{\rm{A}}}{\rm{ > }}{{\rm{P}}_{\rm{B}}}\) which of the following is true?

1 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ = }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
2 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ > }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
3 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ < }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
4 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}\,\,{\rm{and}}\,\,{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\) do not bear any relalionship with each other.
CHXII02:SOLUTIONS

319448 Identify the linear plot among the following.

1 Vapour pressure of pure liquid vs its mass
2 Vapour pressure of pure liquid vs temperature
3 Vapour pressure of liquid solution vs its mole fraction in ideal solution
4 Vapour pressure of pure liquid vs its mole fraction in ideal solution
CHXII02:SOLUTIONS

319449 Formation of a solution from two components can be considered as
(i) pure solvent \( \to \) separated solvent molecules, \({\rm{\Delta }}{{\rm{H}}_{\rm{1}}}\)
(ii) pure solute \( \to \) separated solute molecules, \({\rm{\Delta }}{{\rm{H}}_{\rm{2}}}\)
(iii) separated solvent and solute molecules \( \to \) solution, \({\rm{\Delta }}{{\rm{H}}_{\rm{3}}}\)
Solution so formed will be ideal if

1 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)
2 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{3}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)
3 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{3}}}\)
4 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)
CHXII02:SOLUTIONS

319445 Assertion :
An ideal solution obeys Raoult's law.
Reason :
In an ideal solution, solute-solute as well as solvent-solvent interactions are similar to solute-solvent interactions.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII02:SOLUTIONS

319446 Assertion :
Dilute solution of benzene and toluene is an ideal solution.
Reason :
Benzene and toluene form \(\mathrm{H}\)-bonding with each other.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII02:SOLUTIONS

319447 For an ideal solution with \({{\rm{P}}_{\rm{A}}}{\rm{ > }}{{\rm{P}}_{\rm{B}}}\) which of the following is true?

1 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ = }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
2 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ > }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
3 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ < }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
4 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}\,\,{\rm{and}}\,\,{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\) do not bear any relalionship with each other.
CHXII02:SOLUTIONS

319448 Identify the linear plot among the following.

1 Vapour pressure of pure liquid vs its mass
2 Vapour pressure of pure liquid vs temperature
3 Vapour pressure of liquid solution vs its mole fraction in ideal solution
4 Vapour pressure of pure liquid vs its mole fraction in ideal solution
CHXII02:SOLUTIONS

319449 Formation of a solution from two components can be considered as
(i) pure solvent \( \to \) separated solvent molecules, \({\rm{\Delta }}{{\rm{H}}_{\rm{1}}}\)
(ii) pure solute \( \to \) separated solute molecules, \({\rm{\Delta }}{{\rm{H}}_{\rm{2}}}\)
(iii) separated solvent and solute molecules \( \to \) solution, \({\rm{\Delta }}{{\rm{H}}_{\rm{3}}}\)
Solution so formed will be ideal if

1 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)
2 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{3}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)
3 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{3}}}\)
4 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)
CHXII02:SOLUTIONS

319445 Assertion :
An ideal solution obeys Raoult's law.
Reason :
In an ideal solution, solute-solute as well as solvent-solvent interactions are similar to solute-solvent interactions.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII02:SOLUTIONS

319446 Assertion :
Dilute solution of benzene and toluene is an ideal solution.
Reason :
Benzene and toluene form \(\mathrm{H}\)-bonding with each other.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII02:SOLUTIONS

319447 For an ideal solution with \({{\rm{P}}_{\rm{A}}}{\rm{ > }}{{\rm{P}}_{\rm{B}}}\) which of the following is true?

1 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ = }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
2 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ > }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
3 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}{\rm{ < }}{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\)
4 \({\left( {{{\rm{X}}_{\rm{A}}}} \right)_{{\rm{liquid}}}}\,\,{\rm{and}}\,\,{\left( {{{\rm{X}}_{\rm{B}}}} \right)_{{\rm{vapour}}}}\) do not bear any relalionship with each other.
CHXII02:SOLUTIONS

319448 Identify the linear plot among the following.

1 Vapour pressure of pure liquid vs its mass
2 Vapour pressure of pure liquid vs temperature
3 Vapour pressure of liquid solution vs its mole fraction in ideal solution
4 Vapour pressure of pure liquid vs its mole fraction in ideal solution
CHXII02:SOLUTIONS

319449 Formation of a solution from two components can be considered as
(i) pure solvent \( \to \) separated solvent molecules, \({\rm{\Delta }}{{\rm{H}}_{\rm{1}}}\)
(ii) pure solute \( \to \) separated solute molecules, \({\rm{\Delta }}{{\rm{H}}_{\rm{2}}}\)
(iii) separated solvent and solute molecules \( \to \) solution, \({\rm{\Delta }}{{\rm{H}}_{\rm{3}}}\)
Solution so formed will be ideal if

1 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)
2 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{3}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)
3 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{3}}}\)
4 \({\rm{\Delta }}{{\rm{H}}_{{\rm{Soln}}}}{\rm{ = \Delta }}{{\rm{H}}_{\rm{1}}}{\rm{ + \Delta }}{{\rm{H}}_{\rm{2}}}{\rm{ - \Delta }}{{\rm{H}}_{\rm{3}}}\)