Vapour Pressure of Liquid Solutions
CHXII02:SOLUTIONS

319475 What does the following figure represent ?
supporting img

1 Non-ideal solution
2 Positive deviation from Raoult’s law
3 Negative deviation from Raoult’s law
4 Both (1) and (2).
CHXII02:SOLUTIONS

319476 Statement A :
Ethanol and acetone show positive deviation from Raoult’s law.
Statement B :
Pure ethanol molecule show hydrogen bond and on adding acetone hydrogen bond between ethanol molecules breaks.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
CHXII02:SOLUTIONS

319477 A solution of two miscible liquids showing negative deviation from Raoult's law will have :

1 Increased vapour pressure, increased boiling point
2 Increased vapour pressure, decreased boiling point
3 Decreased vapour pressure, increased boiling point
4 Decreased vapour pressure, decreased boiling point.
CHXII02:SOLUTIONS

319478 Assertion :
The mixing of two completely miscible liquid, A and B showing positive deviation from Raoult’s law is followed by an absorption of heat
Reason :
The A-B molecular interaction forces are stronger than the \({\rm{A - A}}\,\,{\rm{or}}\,\,{\rm{B - B}}\) molecular interaction forces.

1 If both Assertion & Reason are true and reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but reason is not the correct explanation of the assertion.
3 If Assertion is true but Reason is false.
4 If Assertion is false but Reason is true.
CHXII02:SOLUTIONS

319479 Identify the mixture that shows positive deviations from Raoult's Law.

1 \({\mathrm{\mathrm{CHCl}_{3}+\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}}}\)
2 \({\mathrm{\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}+\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}}}\)
3 \({\mathrm{\mathrm{CHCl}_{3}+\mathrm{C}_{6} \mathrm{H}_{6}}}\)
4 \({\mathrm{\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}+\mathrm{CS}_{2}}}\)
CHXII02:SOLUTIONS

319475 What does the following figure represent ?
supporting img

1 Non-ideal solution
2 Positive deviation from Raoult’s law
3 Negative deviation from Raoult’s law
4 Both (1) and (2).
CHXII02:SOLUTIONS

319476 Statement A :
Ethanol and acetone show positive deviation from Raoult’s law.
Statement B :
Pure ethanol molecule show hydrogen bond and on adding acetone hydrogen bond between ethanol molecules breaks.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
CHXII02:SOLUTIONS

319477 A solution of two miscible liquids showing negative deviation from Raoult's law will have :

1 Increased vapour pressure, increased boiling point
2 Increased vapour pressure, decreased boiling point
3 Decreased vapour pressure, increased boiling point
4 Decreased vapour pressure, decreased boiling point.
CHXII02:SOLUTIONS

319478 Assertion :
The mixing of two completely miscible liquid, A and B showing positive deviation from Raoult’s law is followed by an absorption of heat
Reason :
The A-B molecular interaction forces are stronger than the \({\rm{A - A}}\,\,{\rm{or}}\,\,{\rm{B - B}}\) molecular interaction forces.

1 If both Assertion & Reason are true and reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but reason is not the correct explanation of the assertion.
3 If Assertion is true but Reason is false.
4 If Assertion is false but Reason is true.
CHXII02:SOLUTIONS

319479 Identify the mixture that shows positive deviations from Raoult's Law.

1 \({\mathrm{\mathrm{CHCl}_{3}+\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}}}\)
2 \({\mathrm{\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}+\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}}}\)
3 \({\mathrm{\mathrm{CHCl}_{3}+\mathrm{C}_{6} \mathrm{H}_{6}}}\)
4 \({\mathrm{\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}+\mathrm{CS}_{2}}}\)
CHXII02:SOLUTIONS

319475 What does the following figure represent ?
supporting img

1 Non-ideal solution
2 Positive deviation from Raoult’s law
3 Negative deviation from Raoult’s law
4 Both (1) and (2).
CHXII02:SOLUTIONS

319476 Statement A :
Ethanol and acetone show positive deviation from Raoult’s law.
Statement B :
Pure ethanol molecule show hydrogen bond and on adding acetone hydrogen bond between ethanol molecules breaks.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
CHXII02:SOLUTIONS

319477 A solution of two miscible liquids showing negative deviation from Raoult's law will have :

1 Increased vapour pressure, increased boiling point
2 Increased vapour pressure, decreased boiling point
3 Decreased vapour pressure, increased boiling point
4 Decreased vapour pressure, decreased boiling point.
CHXII02:SOLUTIONS

319478 Assertion :
The mixing of two completely miscible liquid, A and B showing positive deviation from Raoult’s law is followed by an absorption of heat
Reason :
The A-B molecular interaction forces are stronger than the \({\rm{A - A}}\,\,{\rm{or}}\,\,{\rm{B - B}}\) molecular interaction forces.

1 If both Assertion & Reason are true and reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but reason is not the correct explanation of the assertion.
3 If Assertion is true but Reason is false.
4 If Assertion is false but Reason is true.
CHXII02:SOLUTIONS

319479 Identify the mixture that shows positive deviations from Raoult's Law.

1 \({\mathrm{\mathrm{CHCl}_{3}+\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}}}\)
2 \({\mathrm{\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}+\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}}}\)
3 \({\mathrm{\mathrm{CHCl}_{3}+\mathrm{C}_{6} \mathrm{H}_{6}}}\)
4 \({\mathrm{\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}+\mathrm{CS}_{2}}}\)
CHXII02:SOLUTIONS

319475 What does the following figure represent ?
supporting img

1 Non-ideal solution
2 Positive deviation from Raoult’s law
3 Negative deviation from Raoult’s law
4 Both (1) and (2).
CHXII02:SOLUTIONS

319476 Statement A :
Ethanol and acetone show positive deviation from Raoult’s law.
Statement B :
Pure ethanol molecule show hydrogen bond and on adding acetone hydrogen bond between ethanol molecules breaks.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
CHXII02:SOLUTIONS

319477 A solution of two miscible liquids showing negative deviation from Raoult's law will have :

1 Increased vapour pressure, increased boiling point
2 Increased vapour pressure, decreased boiling point
3 Decreased vapour pressure, increased boiling point
4 Decreased vapour pressure, decreased boiling point.
CHXII02:SOLUTIONS

319478 Assertion :
The mixing of two completely miscible liquid, A and B showing positive deviation from Raoult’s law is followed by an absorption of heat
Reason :
The A-B molecular interaction forces are stronger than the \({\rm{A - A}}\,\,{\rm{or}}\,\,{\rm{B - B}}\) molecular interaction forces.

1 If both Assertion & Reason are true and reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but reason is not the correct explanation of the assertion.
3 If Assertion is true but Reason is false.
4 If Assertion is false but Reason is true.
CHXII02:SOLUTIONS

319479 Identify the mixture that shows positive deviations from Raoult's Law.

1 \({\mathrm{\mathrm{CHCl}_{3}+\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}}}\)
2 \({\mathrm{\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}+\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}}}\)
3 \({\mathrm{\mathrm{CHCl}_{3}+\mathrm{C}_{6} \mathrm{H}_{6}}}\)
4 \({\mathrm{\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}+\mathrm{CS}_{2}}}\)
CHXII02:SOLUTIONS

319475 What does the following figure represent ?
supporting img

1 Non-ideal solution
2 Positive deviation from Raoult’s law
3 Negative deviation from Raoult’s law
4 Both (1) and (2).
CHXII02:SOLUTIONS

319476 Statement A :
Ethanol and acetone show positive deviation from Raoult’s law.
Statement B :
Pure ethanol molecule show hydrogen bond and on adding acetone hydrogen bond between ethanol molecules breaks.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
CHXII02:SOLUTIONS

319477 A solution of two miscible liquids showing negative deviation from Raoult's law will have :

1 Increased vapour pressure, increased boiling point
2 Increased vapour pressure, decreased boiling point
3 Decreased vapour pressure, increased boiling point
4 Decreased vapour pressure, decreased boiling point.
CHXII02:SOLUTIONS

319478 Assertion :
The mixing of two completely miscible liquid, A and B showing positive deviation from Raoult’s law is followed by an absorption of heat
Reason :
The A-B molecular interaction forces are stronger than the \({\rm{A - A}}\,\,{\rm{or}}\,\,{\rm{B - B}}\) molecular interaction forces.

1 If both Assertion & Reason are true and reason is the correct explanation of the assertion.
2 If both Assertion & Reason are true but reason is not the correct explanation of the assertion.
3 If Assertion is true but Reason is false.
4 If Assertion is false but Reason is true.
CHXII02:SOLUTIONS

319479 Identify the mixture that shows positive deviations from Raoult's Law.

1 \({\mathrm{\mathrm{CHCl}_{3}+\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}}}\)
2 \({\mathrm{\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}+\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}}}\)
3 \({\mathrm{\mathrm{CHCl}_{3}+\mathrm{C}_{6} \mathrm{H}_{6}}}\)
4 \({\mathrm{\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CO}+\mathrm{CS}_{2}}}\)