Q.
The molal elevation constant is the ratio of the elevation in boliing point to
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a
Molarity
b
Molality
c
Mole fraction of solute
d
Mole fraction of solvent.
answer is B.
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Detailed Solution
∆Tb=Kb ×m Kb =∆Tbmmolal elevation constant , Kb is the ratio of elevation of BP to that of molality of the solution
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