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Question
Which of the following colligative property is useful to determine molecular masses of polymer compounds from their solutions?
Which of the following colligative property is useful to determine molecular masses of polymer compounds from their solutions?
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Solution
The correct option is D Osmotic pressure
The molecular weights of macromolecules like proteins, polymers are very high.
The osmotic pressure method has the advantage over other methods as pressure measurement is around the room temperature and the molarity of the solution is used instead of molality. As compared to other colligative properties, its magnitude is large even for very dilute solutions.
At room temperature properties of macromolecules do not change. Therefore osmotic pressure is useful to determine the molecular mass of the polymer.
The molecular weights of macromolecules like proteins, polymers are very high.
The osmotic pressure method has the advantage over other methods as pressure measurement is around the room temperature and the molarity of the solution is used instead of molality. As compared to other colligative properties, its magnitude is large even for very dilute solutions.
At room temperature properties of macromolecules do not change. Therefore osmotic pressure is useful to determine the molecular mass of the polymer.
The osmotic pressure method has the advantage over other methods as pressure measurement is around the room temperature and the molarity of the solution is used instead of molality. As compared to other colligative properties, its magnitude is large even for very dilute solutions.
At room temperature properties of macromolecules do not change. Therefore osmotic pressure is useful to determine the molecular mass of the polymer.
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