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.