Vapour Pressure of Liquid Solutions
CHXII02:SOLUTIONS

319424 A liquid is in equilibrium with its vapour at its boiling point. On the average the molecules in the two phase have equal:

1 Inter-molecular forces
2 Potential energy
3 Total energy
4 Kinetic energy
CHXII02:SOLUTIONS

319426 Assertion :
At the same temperature, water has higher vapour pressure than acetic acid.
Reason :
Hydrogen bonding in water is weaker than in acetic acid.

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

319427 The boiling point of C6H6, CH3OH, C6H5NH2 and C6H5NO2 are 80C,65C,184Cand212C respectively. Which will show the highest vapour pressure at room temperature?

1 C6H6
2 CH3OH
3 C6H5NH2
4 C6H5NO2
CHXII02:SOLUTIONS

319424 A liquid is in equilibrium with its vapour at its boiling point. On the average the molecules in the two phase have equal:

1 Inter-molecular forces
2 Potential energy
3 Total energy
4 Kinetic energy
CHXII02:SOLUTIONS

319425 Rate of evaporation depends upon
I. Nature of liquid
II. Surface area of the liquid
III. Temperature
IV. Flow of air current over the surface

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

319426 Assertion :
At the same temperature, water has higher vapour pressure than acetic acid.
Reason :
Hydrogen bonding in water is weaker than in acetic acid.

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

319427 The boiling point of C6H6, CH3OH, C6H5NH2 and C6H5NO2 are 80C,65C,184Cand212C respectively. Which will show the highest vapour pressure at room temperature?

1 C6H6
2 CH3OH
3 C6H5NH2
4 C6H5NO2
CHXII02:SOLUTIONS

319424 A liquid is in equilibrium with its vapour at its boiling point. On the average the molecules in the two phase have equal:

1 Inter-molecular forces
2 Potential energy
3 Total energy
4 Kinetic energy
CHXII02:SOLUTIONS

319425 Rate of evaporation depends upon
I. Nature of liquid
II. Surface area of the liquid
III. Temperature
IV. Flow of air current over the surface

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

319426 Assertion :
At the same temperature, water has higher vapour pressure than acetic acid.
Reason :
Hydrogen bonding in water is weaker than in acetic acid.

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

319427 The boiling point of C6H6, CH3OH, C6H5NH2 and C6H5NO2 are 80C,65C,184Cand212C respectively. Which will show the highest vapour pressure at room temperature?

1 C6H6
2 CH3OH
3 C6H5NH2
4 C6H5NO2
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CHXII02:SOLUTIONS

319424 A liquid is in equilibrium with its vapour at its boiling point. On the average the molecules in the two phase have equal:

1 Inter-molecular forces
2 Potential energy
3 Total energy
4 Kinetic energy
CHXII02:SOLUTIONS

319425 Rate of evaporation depends upon
I. Nature of liquid
II. Surface area of the liquid
III. Temperature
IV. Flow of air current over the surface

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

319426 Assertion :
At the same temperature, water has higher vapour pressure than acetic acid.
Reason :
Hydrogen bonding in water is weaker than in acetic acid.

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

319427 The boiling point of C6H6, CH3OH, C6H5NH2 and C6H5NO2 are 80C,65C,184Cand212C respectively. Which will show the highest vapour pressure at room temperature?

1 C6H6
2 CH3OH
3 C6H5NH2
4 C6H5NO2