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Give reasons for Measurement of osmotic ...

Give reasons for Measurement of osmotic pressure method is preferred for the determination of molar masses of macromolecules such as proteins and polymers.

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Osmotic pressure method has the advantage over other methods as pressure measurement is around the room temperature and molarity of the solution is used instead of molality. Its magnitude is large even for dilute solutions.
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Give reasons for the following : (a) Measurement of osmotic pressure method is preferred for the determination of molar masses of macromolecules such as proteins and polymers . (b) Aquatic animals are more comfortable in cold water than in warm water . (c) Elevation of boiling point of 1M KCl solution is nearly double than that of 1 M sugar solution.

Give reason for the following Mesasurenent of osinotic pressure method is preferred for the determination of molar masses of macmolecules such as proteins and polymers.

Knowledge Check

  • Which method is used for determination of osmotic pressure ?

    A
    Berkeley Hartley's method
    B
    Beckmann method
    C
    Landsberger Walker method
    D
    Ostwald's Walker method

  • Osmotic pressure is measured by

    A
    Ostwald's method
    B
    Berkeley and Hartley method
    C
    Preffer's method
    D
    Beckmann's method

  • The most suitable method for determination of the molecular mass of polymer is?

    A
    Osmotic pressure
    B
    Victor Meyer's method
    C
    Elevation in boiling point
    D
    Depression in freezing point

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    Which colligative property is the best method for the determination of molar masses of macromolecules?

    Which colligative property is preferred for the molar mass determination of macromolecules (i.e.,proteins and polmers)?

    Which colligative property is preferred for the molar mass determination of macromolecules ?

    Why is osmotic pressure technique preferred over other methods to find out molar mass of solute ?

    Define the terms, 'osmosis' and 'osmotic pressure'. What is the advantage of using osmotic pressure as compared to other colligative properties for the determination of molar masses of solutes in solutions ?

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