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Q.

Statement A: Ebullioscopy or cryoscopy cannot be used for the determination of molar mass of polymers.Statement B: High molar mass solute leads to very low value of ΔTb or ΔTf

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a

Both Statement A and Statement B are true

b

Both Statement A and Statement B are false

c

Statement A is true but Statement B is false.

d

Statement A is false but Statement B is true.

answer is A.

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Detailed Solution

If molar mass is high, ΔTb or ΔTf being low cannot be read out accurately. A little error in measurement of ΔTb will cause abnormal values of molecular weight.
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