Chemistry Exam > Chemistry Questions > For a dilute solut ion, Raoult’s law st...
Start Learning for Free
For a dilute solut ion, Raoult’s law states that:
- a)The lowering of vapour pressure is equal to the mole fraction of solute.
- b)The relative lowering of vapour pressure is equal to the mole fraction of solute.
- c)The relative lowering of vapour pressure is proportional to the amount of solute in solution.
- d)The vapour pressure of the solution is equal to the mole fraction of solvent.
Correct answer is option 'B'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Verified Answer
For a dilute solut ion, Raoult’s law states that:a)The lowering ...
According to Raoult's law, for dilute solutions containing non volatile solute, the relative lowering of vapor pressure, Δp/po is equal to the mole fraction of solute, X2. * The lowering of vapor pressure is proportional to the mole fraction of solute or inversely related to mole fraction of solvent.
View all questions of this test
Most Upvoted Answer
For a dilute solut ion, Raoult’s law states that:a)The lowering ...
Explanation:
Introduction to Raoult's Law:
Raoult's Law, formulated by French chemist François-Marie Raoult in 1887, relates the vapor pressure of an ideal solution to the mole fraction of solute in the solution. It is applicable to dilute solutions, where the solute concentration is relatively low compared to the solvent concentration.
Statement of Raoult's Law:
According to Raoult's Law, the relative lowering of vapor pressure of a solvent in a dilute solution is directly proportional to the mole fraction of solute in the solution. Mathematically, it can be expressed as:
∆P/P₀ = x₂
Where:
∆P = lowering of vapor pressure of the solvent
P₀ = vapor pressure of the pure solvent
x₂ = mole fraction of solute
Explanation of the Correct Answer (Option B):
The correct answer, option B, states that the relative lowering of vapor pressure is equal to the mole fraction of solute. This means that the decrease in vapor pressure of the solvent in a dilute solution is directly proportional to the amount of solute present.
Elaboration:
- When a non-volatile solute is added to a solvent, it occupies some of the space on the surface of the solvent, leading to a decrease in the number of solvent molecules escaping into the vapor phase.
- Consequently, the vapor pressure of the solvent decreases, as fewer solvent molecules are available to escape into the gas phase.
- The decrease in vapor pressure is directly proportional to the mole fraction of the solute, meaning that the more solute molecules present in the solution, the greater the lowering of vapor pressure.
Importance of Raoult's Law:
Raoult's Law is essential for understanding colligative properties of solutions, such as boiling point elevation and freezing point depression. It provides a quantitative relationship between the vapor pressure of a solvent in a solution and the mole fraction of the solute.
Limitations of Raoult's Law:
It is important to note that Raoult's Law is only applicable to ideal solutions, where the interactions between the solute and solvent molecules are similar to those between solvent-solvent and solute-solute molecules. In reality, many solutions deviate from ideal behavior, especially at higher solute concentrations or in the presence of strong intermolecular forces.
Conclusion:
In summary, Raoult's Law states that the relative lowering of vapor pressure in a dilute solution is directly proportional to the mole fraction of the solute. This relationship is crucial for understanding the behavior of solutions and their colligative properties.
Introduction to Raoult's Law:
Raoult's Law, formulated by French chemist François-Marie Raoult in 1887, relates the vapor pressure of an ideal solution to the mole fraction of solute in the solution. It is applicable to dilute solutions, where the solute concentration is relatively low compared to the solvent concentration.
Statement of Raoult's Law:
According to Raoult's Law, the relative lowering of vapor pressure of a solvent in a dilute solution is directly proportional to the mole fraction of solute in the solution. Mathematically, it can be expressed as:
∆P/P₀ = x₂
Where:
∆P = lowering of vapor pressure of the solvent
P₀ = vapor pressure of the pure solvent
x₂ = mole fraction of solute
Explanation of the Correct Answer (Option B):
The correct answer, option B, states that the relative lowering of vapor pressure is equal to the mole fraction of solute. This means that the decrease in vapor pressure of the solvent in a dilute solution is directly proportional to the amount of solute present.
Elaboration:
- When a non-volatile solute is added to a solvent, it occupies some of the space on the surface of the solvent, leading to a decrease in the number of solvent molecules escaping into the vapor phase.
- Consequently, the vapor pressure of the solvent decreases, as fewer solvent molecules are available to escape into the gas phase.
- The decrease in vapor pressure is directly proportional to the mole fraction of the solute, meaning that the more solute molecules present in the solution, the greater the lowering of vapor pressure.
Importance of Raoult's Law:
Raoult's Law is essential for understanding colligative properties of solutions, such as boiling point elevation and freezing point depression. It provides a quantitative relationship between the vapor pressure of a solvent in a solution and the mole fraction of the solute.
Limitations of Raoult's Law:
It is important to note that Raoult's Law is only applicable to ideal solutions, where the interactions between the solute and solvent molecules are similar to those between solvent-solvent and solute-solute molecules. In reality, many solutions deviate from ideal behavior, especially at higher solute concentrations or in the presence of strong intermolecular forces.
Conclusion:
In summary, Raoult's Law states that the relative lowering of vapor pressure in a dilute solution is directly proportional to the mole fraction of the solute. This relationship is crucial for understanding the behavior of solutions and their colligative properties.
Free Test
FREE
| Start Free Test |
Community Answer
For a dilute solut ion, Raoult’s law states that:a)The lowering ...
Correct answer is option 'B'
|
Explore Courses for Chemistry exam
|
|
Similar Chemistry Doubts
For a dilute solut ion, Raoult’s law states that:a)The lowering of vapour pressure is equal to the mole fraction of solute.b)The relative lowering of vapour pressure is equal to the mole fraction of solute.c)The relative lowering of vapour pressure is proportional to the amount of solute in solution.d)The vapour pressure of the solution is equal to the mole fraction of solvent.Correct answer is option 'B'. Can you explain this answer?
Question Description
For a dilute solut ion, Raoult’s law states that:a)The lowering of vapour pressure is equal to the mole fraction of solute.b)The relative lowering of vapour pressure is equal to the mole fraction of solute.c)The relative lowering of vapour pressure is proportional to the amount of solute in solution.d)The vapour pressure of the solution is equal to the mole fraction of solvent.Correct answer is option 'B'. Can you explain this answer? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about For a dilute solut ion, Raoult’s law states that:a)The lowering of vapour pressure is equal to the mole fraction of solute.b)The relative lowering of vapour pressure is equal to the mole fraction of solute.c)The relative lowering of vapour pressure is proportional to the amount of solute in solution.d)The vapour pressure of the solution is equal to the mole fraction of solvent.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a dilute solut ion, Raoult’s law states that:a)The lowering of vapour pressure is equal to the mole fraction of solute.b)The relative lowering of vapour pressure is equal to the mole fraction of solute.c)The relative lowering of vapour pressure is proportional to the amount of solute in solution.d)The vapour pressure of the solution is equal to the mole fraction of solvent.Correct answer is option 'B'. Can you explain this answer?.
For a dilute solut ion, Raoult’s law states that:a)The lowering of vapour pressure is equal to the mole fraction of solute.b)The relative lowering of vapour pressure is equal to the mole fraction of solute.c)The relative lowering of vapour pressure is proportional to the amount of solute in solution.d)The vapour pressure of the solution is equal to the mole fraction of solvent.Correct answer is option 'B'. Can you explain this answer? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about For a dilute solut ion, Raoult’s law states that:a)The lowering of vapour pressure is equal to the mole fraction of solute.b)The relative lowering of vapour pressure is equal to the mole fraction of solute.c)The relative lowering of vapour pressure is proportional to the amount of solute in solution.d)The vapour pressure of the solution is equal to the mole fraction of solvent.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a dilute solut ion, Raoult’s law states that:a)The lowering of vapour pressure is equal to the mole fraction of solute.b)The relative lowering of vapour pressure is equal to the mole fraction of solute.c)The relative lowering of vapour pressure is proportional to the amount of solute in solution.d)The vapour pressure of the solution is equal to the mole fraction of solvent.Correct answer is option 'B'. Can you explain this answer?.
Solutions for For a dilute solut ion, Raoult’s law states that:a)The lowering of vapour pressure is equal to the mole fraction of solute.b)The relative lowering of vapour pressure is equal to the mole fraction of solute.c)The relative lowering of vapour pressure is proportional to the amount of solute in solution.d)The vapour pressure of the solution is equal to the mole fraction of solvent.Correct answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Chemistry.
Download more important topics, notes, lectures and mock test series for Chemistry Exam by signing up for free.
Here you can find the meaning of For a dilute solut ion, Raoult’s law states that:a)The lowering of vapour pressure is equal to the mole fraction of solute.b)The relative lowering of vapour pressure is equal to the mole fraction of solute.c)The relative lowering of vapour pressure is proportional to the amount of solute in solution.d)The vapour pressure of the solution is equal to the mole fraction of solvent.Correct answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
For a dilute solut ion, Raoult’s law states that:a)The lowering of vapour pressure is equal to the mole fraction of solute.b)The relative lowering of vapour pressure is equal to the mole fraction of solute.c)The relative lowering of vapour pressure is proportional to the amount of solute in solution.d)The vapour pressure of the solution is equal to the mole fraction of solvent.Correct answer is option 'B'. Can you explain this answer?, a detailed solution for For a dilute solut ion, Raoult’s law states that:a)The lowering of vapour pressure is equal to the mole fraction of solute.b)The relative lowering of vapour pressure is equal to the mole fraction of solute.c)The relative lowering of vapour pressure is proportional to the amount of solute in solution.d)The vapour pressure of the solution is equal to the mole fraction of solvent.Correct answer is option 'B'. Can you explain this answer? has been provided alongside types of For a dilute solut ion, Raoult’s law states that:a)The lowering of vapour pressure is equal to the mole fraction of solute.b)The relative lowering of vapour pressure is equal to the mole fraction of solute.c)The relative lowering of vapour pressure is proportional to the amount of solute in solution.d)The vapour pressure of the solution is equal to the mole fraction of solvent.Correct answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice For a dilute solut ion, Raoult’s law states that:a)The lowering of vapour pressure is equal to the mole fraction of solute.b)The relative lowering of vapour pressure is equal to the mole fraction of solute.c)The relative lowering of vapour pressure is proportional to the amount of solute in solution.d)The vapour pressure of the solution is equal to the mole fraction of solvent.Correct answer is option 'B'. Can you explain this answer? tests, examples and also practice Chemistry tests.
|
|
Explore Courses for Chemistry exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup