Assertion (A): The molecular mass of polymers cannot be calculated using the boiling point or freezing point method.
Reason (R ): The boiling point method for determining the molecular masses is used for compounds stable at high temperature.

What advntage the osmotic pressure has over th elevation in boiling point method for determining the molecular masses?

Assertion : Molecular mass of polymers cannot be calculated using boiling point or freezing point method. Reason : Polymer solutions do not possess a constant boiling point or freezing point. a)If both (A) and (R) are correct and (R) is the correct explanation of(A). b)If both (A) and (R) are correct, but (R) is not the correct explanation of (A). c)If (A) is correct, but (R) is incorrect. d)If both (A) and (R) are incorrect.

The most suitable method for determination of the molecular mass of polymer is/are

The elevation of boiling point method is used for the determination of molecular weight of-

The elevation of boiling point method is used for the determination of molecular weight of :