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Test: Vapour Pressure of Liquid Solution (October 18) - NEET MCQ


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10 Questions MCQ Test - Test: Vapour Pressure of Liquid Solution (October 18)

Test: Vapour Pressure of Liquid Solution (October 18) for NEET 2024 is part of NEET preparation. The Test: Vapour Pressure of Liquid Solution (October 18) questions and answers have been prepared according to the NEET exam syllabus.The Test: Vapour Pressure of Liquid Solution (October 18) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Vapour Pressure of Liquid Solution (October 18) below.
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Test: Vapour Pressure of Liquid Solution (October 18) - Question 1

What causes evaporation in a liquid?

Detailed Solution for Test: Vapour Pressure of Liquid Solution (October 18) - Question 1
Evaporation occurs when the liquid is heated, causing an increase in the kinetic energy of its molecules. This increased energy allows molecules to transition from the liquid phase to the vapour phase, leading to evaporation.
Test: Vapour Pressure of Liquid Solution (October 18) - Question 2

At what point does vapour pressure reach its maximum value?

Detailed Solution for Test: Vapour Pressure of Liquid Solution (October 18) - Question 2
Vapour pressure reaches its maximum value when the rate of evaporation equals the rate of condensation, resulting in a state of equilibrium. This equilibrium point is where the pressure exerted by the vapour is defined as the vapour pressure of the liquid.
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Test: Vapour Pressure of Liquid Solution (October 18) - Question 3

What is vapour pressure?

Detailed Solution for Test: Vapour Pressure of Liquid Solution (October 18) - Question 3
Vapour pressure is the pressure exerted by the vapour of a liquid in equilibrium with its condensed phases (solid or liquid) in a closed system at a given temperature. It is a measure of the tendency of liquid molecules to escape into the vapour phase and serves as an indicator of the liquid's evaporation rate.
Test: Vapour Pressure of Liquid Solution (October 18) - Question 4
What is the boiling point of a liquid defined as?
Detailed Solution for Test: Vapour Pressure of Liquid Solution (October 18) - Question 4
The boiling point of a liquid is defined as the temperature at which the vapour pressure of the liquid equals the pressure exerted by the atmosphere. At this temperature, the liquid changes into the vapour phase.
Test: Vapour Pressure of Liquid Solution (October 18) - Question 5
How does temperature affect vapour pressure?
Detailed Solution for Test: Vapour Pressure of Liquid Solution (October 18) - Question 5
Temperature has an exponential relationship with vapour pressure. As the temperature increases, the kinetic energy of liquid molecules increases, leading to higher vapour pressure. Vapour pressure and temperature are directly proportional.
Test: Vapour Pressure of Liquid Solution (October 18) - Question 6
Which type of liquid is likely to have a higher vapour pressure at a particular temperature: water or acetone?
Detailed Solution for Test: Vapour Pressure of Liquid Solution (October 18) - Question 6
Liquids with weaker intermolecular forces, like acetone, tend to have higher vapour pressure at a particular temperature compared to liquids with stronger intermolecular forces, like water.
Test: Vapour Pressure of Liquid Solution (October 18) - Question 7
What is the Heat of Vaporization?
Detailed Solution for Test: Vapour Pressure of Liquid Solution (October 18) - Question 7
The Heat of Vaporization is the amount of heat energy required to transform one mole of a liquid into the gaseous state at its boiling point, while keeping the temperature constant.
Test: Vapour Pressure of Liquid Solution (October 18) - Question 8
What does Raoult's law describe in relation to vapour pressure?
Detailed Solution for Test: Vapour Pressure of Liquid Solution (October 18) - Question 8
Raoult's law describes the relationship between the total vapour pressure of a solution and the mole fraction of its individual components. It provides insight into how the presence of different components affects the overall vapour pressure of a solution.
Test: Vapour Pressure of Liquid Solution (October 18) - Question 9
How is the total vapour pressure above a solution affected by the mole fraction of a component?
Detailed Solution for Test: Vapour Pressure of Liquid Solution (October 18) - Question 9
The total vapour pressure above a solution increases linearly with the mole fraction of a component. This relationship is described by Raoult's law, which states that the total vapour pressure depends on the mole fractions of the components present in the solution.
Test: Vapour Pressure of Liquid Solution (October 18) - Question 10
What is the standard boiling point of a liquid defined at?
Detailed Solution for Test: Vapour Pressure of Liquid Solution (October 18) - Question 10
The standard boiling point of a liquid is defined at a pressure of 1 atmosphere (atm) or 101.325 kPa. It is the temperature at which the vapour pressure of the liquid equals the atmospheric pressure.
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