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Which of the following statements is correct?
- a)A saturated solution will remain saturated at all temperatures
- b)A plant cell swells when placed in hypertonic solution
- c)The depression in freezing point is directly proportional to molality of the solution
- d)Lowering in vapour pressure is a colligative property
Correct answer is option 'C'. Can you explain this answer?
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Which of the following statements is correct?a)A saturated solution wi...
Solubility changes with temperature. A plant cell shrinks in hypertonic solution. Relative lowering of vapour pressure is a colligative property.
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Which of the following statements is correct?a)A saturated solution wi...
Depression in Freezing Point as a Colligative Property
Colligative properties are the properties of solutions that depend on the concentration of dissolved particles and not on the identity of the particles. Depression in freezing point is one of the colligative properties of solutions. It is defined as the difference between the freezing point of the pure solvent and the freezing point of the solution. The depression in freezing point is directly proportional to the molality of the solution.
Explanation
When a solute is added to a solvent, it lowers the freezing point of the solvent. This happens because the solute particles interfere with the formation of the crystal lattice of the solvent during freezing. The more solute particles there are in the solution, the greater the interference and the lower the freezing point of the solution.
The depression in freezing point, ΔTf, is related to the molality of the solution, m, by the equation ΔTf = Kf × m, where Kf is the freezing point depression constant of the solvent. The freezing point depression constant is a constant that depends on the identity of the solvent.
Applications
The depression in freezing point is a useful property in many applications. For example, it is used to determine the molecular weight of a solute. By measuring the depression in freezing point of a solution and knowing the freezing point depression constant of the solvent, one can calculate the molality of the solution. Then, using the formula, molality = moles of solute / mass of solvent (in kg), one can calculate the molecular weight of the solute.
The depression in freezing point is also used in antifreeze solutions. Antifreeze solutions are used in automobile engines to prevent the engine coolant from freezing in cold temperatures. By adding a solute to the coolant, the freezing point of the solution is lowered, allowing the engine to operate in cold temperatures without the coolant freezing.
Conclusion
In conclusion, depression in freezing point is a colligative property of solutions that is directly proportional to the molality of the solution. It has many applications in various fields and is a useful tool in determining the molecular weight of a solute and in creating antifreeze solutions.
Colligative properties are the properties of solutions that depend on the concentration of dissolved particles and not on the identity of the particles. Depression in freezing point is one of the colligative properties of solutions. It is defined as the difference between the freezing point of the pure solvent and the freezing point of the solution. The depression in freezing point is directly proportional to the molality of the solution.
Explanation
When a solute is added to a solvent, it lowers the freezing point of the solvent. This happens because the solute particles interfere with the formation of the crystal lattice of the solvent during freezing. The more solute particles there are in the solution, the greater the interference and the lower the freezing point of the solution.
The depression in freezing point, ΔTf, is related to the molality of the solution, m, by the equation ΔTf = Kf × m, where Kf is the freezing point depression constant of the solvent. The freezing point depression constant is a constant that depends on the identity of the solvent.
Applications
The depression in freezing point is a useful property in many applications. For example, it is used to determine the molecular weight of a solute. By measuring the depression in freezing point of a solution and knowing the freezing point depression constant of the solvent, one can calculate the molality of the solution. Then, using the formula, molality = moles of solute / mass of solvent (in kg), one can calculate the molecular weight of the solute.
The depression in freezing point is also used in antifreeze solutions. Antifreeze solutions are used in automobile engines to prevent the engine coolant from freezing in cold temperatures. By adding a solute to the coolant, the freezing point of the solution is lowered, allowing the engine to operate in cold temperatures without the coolant freezing.
Conclusion
In conclusion, depression in freezing point is a colligative property of solutions that is directly proportional to the molality of the solution. It has many applications in various fields and is a useful tool in determining the molecular weight of a solute and in creating antifreeze solutions.
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Which of the following statements is correct?a)A saturated solution will remain saturated at all temperaturesb)A plant cell swells when placed in hypertonic solutionc)The depression in freezing point is directly proportional to molality of the solutiond)Lowering in vapour pressure is a colligative propertyCorrect answer is option 'C'. Can you explain this answer?
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Which of the following statements is correct?a)A saturated solution will remain saturated at all temperaturesb)A plant cell swells when placed in hypertonic solutionc)The depression in freezing point is directly proportional to molality of the solutiond)Lowering in vapour pressure is a colligative propertyCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statements is correct?a)A saturated solution will remain saturated at all temperaturesb)A plant cell swells when placed in hypertonic solutionc)The depression in freezing point is directly proportional to molality of the solutiond)Lowering in vapour pressure is a colligative propertyCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is correct?a)A saturated solution will remain saturated at all temperaturesb)A plant cell swells when placed in hypertonic solutionc)The depression in freezing point is directly proportional to molality of the solutiond)Lowering in vapour pressure is a colligative propertyCorrect answer is option 'C'. Can you explain this answer?.
Which of the following statements is correct?a)A saturated solution will remain saturated at all temperaturesb)A plant cell swells when placed in hypertonic solutionc)The depression in freezing point is directly proportional to molality of the solutiond)Lowering in vapour pressure is a colligative propertyCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statements is correct?a)A saturated solution will remain saturated at all temperaturesb)A plant cell swells when placed in hypertonic solutionc)The depression in freezing point is directly proportional to molality of the solutiond)Lowering in vapour pressure is a colligative propertyCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is correct?a)A saturated solution will remain saturated at all temperaturesb)A plant cell swells when placed in hypertonic solutionc)The depression in freezing point is directly proportional to molality of the solutiond)Lowering in vapour pressure is a colligative propertyCorrect answer is option 'C'. Can you explain this answer?.
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Which of the following statements is correct?a)A saturated solution will remain saturated at all temperaturesb)A plant cell swells when placed in hypertonic solutionc)The depression in freezing point is directly proportional to molality of the solutiond)Lowering in vapour pressure is a colligative propertyCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for Which of the following statements is correct?a)A saturated solution will remain saturated at all temperaturesb)A plant cell swells when placed in hypertonic solutionc)The depression in freezing point is directly proportional to molality of the solutiond)Lowering in vapour pressure is a colligative propertyCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of Which of the following statements is correct?a)A saturated solution will remain saturated at all temperaturesb)A plant cell swells when placed in hypertonic solutionc)The depression in freezing point is directly proportional to molality of the solutiond)Lowering in vapour pressure is a colligative propertyCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
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