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Osmotic Pressure

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Question

The best and accurate method for determining osmotic pressure is:

A

Negative pressure method

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B

Berkeley and Hartley method

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C

Morse and Frazer method

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D

Preffer's method

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Solution

The correct option is B Berkeley and Hartley method
The best method to determine osmotic pressure is Berkeley and Hartley method, in this method external pressure is applied on the solution by the piston so that the level in capillary remains stationary and reading is recorded.

Option B is correct.

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Similar questions

Q. What is osmotic pressure? Draw a labelled diagram of Barkeley - Hartley method of determination of osmotic pressure?

Q. Berkeley-Hartley method cannot be used to determine osmotic pressure of non-aqueous solutions.

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

Q. The method which is used to measure the osmotic pressure of a solution quickly and accurately is:

Q. Osmotic pressure method is the most useful method for determining the molecular weight of macromolecules. The hydrostatic pressure develop as a result osmosis is a measure of osmotic pressure. Osmotic pressure of a 0.02 M cane sugar solution at 300 k is: ( R = 0.0821 L atm degree

^{- 1}

^{- 1}

)

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