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58.5 g of NaCl and 180g of glucose were separately dissolved in 1L of water. Identify the correct statements regarding the elevation in boiling point of solution.
- a)NaCl solution will have higher boiling point
- b)Glucosesolution will have higher boiling point
- c)Both solutionwill have equal boiling point
- d)No elevation will be observed
Correct answer is option 'A'. Can you explain this answer?
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58.5 g of NaCl and 180g of glucose were separately dissolved in 1L of ...
Both the solutions are 1 molal. Hence, elevation in BP appears to be same. But, NaCl is ionic and we have to account the Van't Hoff factor i = 2 ( as NaCl dissociates into two ions) for it.
del T = i x Kb x molality
del T = 2 x Kb x molality for NaCl
Hence, NaCl has a higher elevation in BP.
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58.5 g of NaCl and 180g of glucose were separately dissolved in 1L of ...
Boiling Point Elevation in Solutions
Boiling point elevation is a colligative property of solutions, which means it depends on the number of solute particles present in the solution rather than the nature of the solute. The boiling point elevation is directly proportional to the concentration of the solute.
NaCl Solution
- NaCl is an ionic compound that dissociates into Na+ and Cl- ions when dissolved in water.
- Each NaCl unit dissociates into two ions, Na+ and Cl-, so the number of solute particles is doubled compared to the molecular compound.
- The presence of more solute particles leads to a higher boiling point elevation.
- Therefore, the NaCl solution will have a higher boiling point than pure water.
Glucose Solution
- Glucose is a molecular compound that does not dissociate into ions when dissolved in water.
- It remains as intact glucose molecules in the solution.
- Since glucose does not dissociate, there is only one solute particle per glucose molecule.
- The presence of fewer solute particles compared to NaCl leads to a lower boiling point elevation.
- Therefore, the glucose solution will have a lower boiling point elevation than the NaCl solution.
Comparison and Conclusion
- Comparing the NaCl and glucose solutions, the NaCl solution has a higher boiling point elevation.
- This is because the NaCl solution has a higher concentration of solute particles due to the dissociation of NaCl into two ions.
- On the other hand, the glucose solution has a lower concentration of solute particles since it does not dissociate.
- Hence, option 'A', which states that the NaCl solution will have a higher boiling point, is the correct answer.
In summary, the boiling point elevation in a solution depends on the number of solute particles present. NaCl solution has a higher boiling point elevation compared to the glucose solution due to the dissociation of NaCl into two ions, leading to a higher concentration of solute particles.
Boiling point elevation is a colligative property of solutions, which means it depends on the number of solute particles present in the solution rather than the nature of the solute. The boiling point elevation is directly proportional to the concentration of the solute.
NaCl Solution
- NaCl is an ionic compound that dissociates into Na+ and Cl- ions when dissolved in water.
- Each NaCl unit dissociates into two ions, Na+ and Cl-, so the number of solute particles is doubled compared to the molecular compound.
- The presence of more solute particles leads to a higher boiling point elevation.
- Therefore, the NaCl solution will have a higher boiling point than pure water.
Glucose Solution
- Glucose is a molecular compound that does not dissociate into ions when dissolved in water.
- It remains as intact glucose molecules in the solution.
- Since glucose does not dissociate, there is only one solute particle per glucose molecule.
- The presence of fewer solute particles compared to NaCl leads to a lower boiling point elevation.
- Therefore, the glucose solution will have a lower boiling point elevation than the NaCl solution.
Comparison and Conclusion
- Comparing the NaCl and glucose solutions, the NaCl solution has a higher boiling point elevation.
- This is because the NaCl solution has a higher concentration of solute particles due to the dissociation of NaCl into two ions.
- On the other hand, the glucose solution has a lower concentration of solute particles since it does not dissociate.
- Hence, option 'A', which states that the NaCl solution will have a higher boiling point, is the correct answer.
In summary, the boiling point elevation in a solution depends on the number of solute particles present. NaCl solution has a higher boiling point elevation compared to the glucose solution due to the dissociation of NaCl into two ions, leading to a higher concentration of solute particles.
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58.5 g of NaCl and 180g of glucose were separately dissolved in 1L of water. Identify the correct statements regarding the elevation in boiling point of solution.a)NaCl solution will have higher boiling pointb)Glucosesolution will have higher boiling pointc)Both solutionwill have equal boiling pointd)No elevation will be observedCorrect answer is option 'A'. Can you explain this answer?
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58.5 g of NaCl and 180g of glucose were separately dissolved in 1L of water. Identify the correct statements regarding the elevation in boiling point of solution.a)NaCl solution will have higher boiling pointb)Glucosesolution will have higher boiling pointc)Both solutionwill have equal boiling pointd)No elevation will be observedCorrect answer is option 'A'. 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 58.5 g of NaCl and 180g of glucose were separately dissolved in 1L of water. Identify the correct statements regarding the elevation in boiling point of solution.a)NaCl solution will have higher boiling pointb)Glucosesolution will have higher boiling pointc)Both solutionwill have equal boiling pointd)No elevation will be observedCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 58.5 g of NaCl and 180g of glucose were separately dissolved in 1L of water. Identify the correct statements regarding the elevation in boiling point of solution.a)NaCl solution will have higher boiling pointb)Glucosesolution will have higher boiling pointc)Both solutionwill have equal boiling pointd)No elevation will be observedCorrect answer is option 'A'. Can you explain this answer?.
58.5 g of NaCl and 180g of glucose were separately dissolved in 1L of water. Identify the correct statements regarding the elevation in boiling point of solution.a)NaCl solution will have higher boiling pointb)Glucosesolution will have higher boiling pointc)Both solutionwill have equal boiling pointd)No elevation will be observedCorrect answer is option 'A'. 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 58.5 g of NaCl and 180g of glucose were separately dissolved in 1L of water. Identify the correct statements regarding the elevation in boiling point of solution.a)NaCl solution will have higher boiling pointb)Glucosesolution will have higher boiling pointc)Both solutionwill have equal boiling pointd)No elevation will be observedCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 58.5 g of NaCl and 180g of glucose were separately dissolved in 1L of water. Identify the correct statements regarding the elevation in boiling point of solution.a)NaCl solution will have higher boiling pointb)Glucosesolution will have higher boiling pointc)Both solutionwill have equal boiling pointd)No elevation will be observedCorrect answer is option 'A'. Can you explain this answer?.
Solutions for 58.5 g of NaCl and 180g of glucose were separately dissolved in 1L of water. Identify the correct statements regarding the elevation in boiling point of solution.a)NaCl solution will have higher boiling pointb)Glucosesolution will have higher boiling pointc)Both solutionwill have equal boiling pointd)No elevation will be observedCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Chemistry.
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