Number-average molecular mass of a polymer is determined by-light scattering and ultracentrifuge methodosmotic pressuredepression of freezing pointelevation in boiling point

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Number-average molecular mass of a polymer is determined by:

light scattering and ultracentrifuge method

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osmotic pressure

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depression of freezing point

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elevation in boiling point

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Solution

The correct option is B osmotic pressure
Number-average molecular mass of a polymer is determined by osmotic pressure as osmotic pressure is a colligative property and its value depends on the number of solute particles.

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Similar questions

Q. The number average molecular mass and mass average molecular mass of a polymer are

30, 000

and

40, 000

respectively. The PDI of the polymer is

Q. The number average molecular mass and mass average molecular mass of a polymer are respectively 30,000 and 40,000. The poly dispersity index (PDI) of the polymer is

Q. The

P

(PDI) of a polymer is :

({¯ ¯¯¯¯ ¯ M}_{w} =

weight average molecular mass and

{¯ ¯¯¯¯ ¯ M}_{n} =

number average molecular mass)

The mass average molecular mass & number average molecular mass of a polymer are respectively 40,000 and 30,000. The polydispersity index of polymer will be ?

Q. Which colligative property is more useful to determine the molecular weight of the substances like proteins and polymers ?

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Number-average molecular mass of a polymer is determined by:

The correct option is B osmotic pressureNumber-average molecular mass of a polymer is determined by osmotic pressure as osmotic pressure is a colligative property and its value depends on the number of solute particles.

The correct option is B osmotic pressure
Number-average molecular mass of a polymer is determined by osmotic pressure as osmotic pressure is a colligative property and its value depends on the number of solute particles.