1.

Assertion. Out of various colligative properties, osmotic pressure is used for determination of molecular masses of polymers.

Answer»

If both assertion and reason are true, and reason is the true explanation of the assertion.
If both assertion and reason are true, but reason is not the true explanation of the assertion.
If assertion is true, but reason is false.
If both assertion and reason are false.

Solution :Correct explanation. Due to high molar MASSES of polymers, the elevation in BOILING point or depression in FREEZING point are so LOW that they cannot be measured accurately.


Discussion

No Comment Found

Related InterviewSolutions