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Consider separate solutions of 0.500 M C2H5OH (aq), 0.100 M Mg3(PO4)2 (aq), 0.250 M KBr (aq) and 0.125 M Na3PO4 (aq) at 25oC. Which statement is true about these solutions, assuming all salts to be strong electrolytes?
  • a)
    0.125 M Na3PO4 (aq) has the highest osmotic pressure.
  • b)
    0.500 M C2H5OH (aq) has the highest osmotic pressure.
  • c)
    They all have the same osmotic pressure.
  • d)
    0.100 M Mg3(PO4)2 (aq) has the highest osmotic pressure.
Correct answer is option 'C'. Can you explain this answer?
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Consider separate solutions of 0.500 M C2H5OH (aq), 0.100 M Mg3(PO4)2(...
Explanation:

Understanding Osmotic Pressure:
Osmotic pressure is a colligative property that depends on the concentration of solute particles in a solution. It is directly proportional to the molarity of the solution.

Comparing Osmotic Pressures:
- 0.500 M C2H5OH (aq): This solution contains only one type of solute particles (ethanol molecules), so its osmotic pressure will be proportional to its molarity.
- 0.100 M Mg3(PO4)2(aq): This solution contains magnesium and phosphate ions, resulting in a total of 5 solute particles (3 Mg2+ and 2 PO4^3-) for each formula unit dissolved. Therefore, it will have a higher osmotic pressure compared to a solution with only one type of solute particles.
- 0.250 M KBr (aq): This solution contains potassium and bromide ions, resulting in a total of 2 solute particles for each formula unit dissolved.
- 0.125 M Na3PO4(aq): This solution contains sodium and phosphate ions, resulting in a total of 4 solute particles for each formula unit dissolved.

Conclusion:
Since osmotic pressure is directly proportional to the molarity of the solution and all solutions have different molarities and types of solute particles, the osmotic pressures of these solutions will be different. Therefore, option 'c' is incorrect, and the correct answer is that they all have different osmotic pressures.
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Consider separate solutions of 0.500 M C2H5OH (aq), 0.100 M Mg3(PO4)2(aq), 0.250 M KBr (aq) and 0.125 M Na3PO4(aq) at 25oC. Which statement istrueabout these solutions, assuming all salts to be strong electrolytes?a)0.125 M Na3PO4(aq) has the highest osmotic pressure.b)0.500 M C2H5OH (aq) has the highest osmotic pressure.c)They all have the same osmotic pressure.d)0.100 M Mg3(PO4)2(aq) has the highest osmotic pressure.Correct answer is option 'C'. Can you explain this answer?
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Consider separate solutions of 0.500 M C2H5OH (aq), 0.100 M Mg3(PO4)2(aq), 0.250 M KBr (aq) and 0.125 M Na3PO4(aq) at 25oC. Which statement istrueabout these solutions, assuming all salts to be strong electrolytes?a)0.125 M Na3PO4(aq) has the highest osmotic pressure.b)0.500 M C2H5OH (aq) has the highest osmotic pressure.c)They all have the same osmotic pressure.d)0.100 M Mg3(PO4)2(aq) has the highest osmotic pressure.Correct answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Consider separate solutions of 0.500 M C2H5OH (aq), 0.100 M Mg3(PO4)2(aq), 0.250 M KBr (aq) and 0.125 M Na3PO4(aq) at 25oC. Which statement istrueabout these solutions, assuming all salts to be strong electrolytes?a)0.125 M Na3PO4(aq) has the highest osmotic pressure.b)0.500 M C2H5OH (aq) has the highest osmotic pressure.c)They all have the same osmotic pressure.d)0.100 M Mg3(PO4)2(aq) has the highest osmotic pressure.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider separate solutions of 0.500 M C2H5OH (aq), 0.100 M Mg3(PO4)2(aq), 0.250 M KBr (aq) and 0.125 M Na3PO4(aq) at 25oC. Which statement istrueabout these solutions, assuming all salts to be strong electrolytes?a)0.125 M Na3PO4(aq) has the highest osmotic pressure.b)0.500 M C2H5OH (aq) has the highest osmotic pressure.c)They all have the same osmotic pressure.d)0.100 M Mg3(PO4)2(aq) has the highest osmotic pressure.Correct answer is option 'C'. Can you explain this answer?.
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