If the boiling point of a certain compound is elevated what will be the change in its freezing point?
71You're asking about a compound. So I would rather ask you that how can you increase the boiling point of a Compound?
In general, If it is a pure solution of a compound, dissolution of a solute or Impurity which is less volatile than the solution itself elevates the Boiling point. and erstwhile there is also a decrease/depression in freezing point.
Would you like explaining why is there a elevation of Boiling point?
1Recorrection:
If the boiling point of a pure solution of a compound is elevated what will be the change in its freezing point?
@vivek: Elevation of freezing point can be done by adding an impurity which has got freezing point much higher than that of the solvent. though it's not a common phenomena.
am i correct?
71No No no!, Elevation of Boiling point and not freezing point. It should be depressed instead!
1boiling point if increases due to impurities, will lead to the decrease in the freezing point.
for d same reason that is...:)
1let the elevatn in b.p be ΔTb = Kbm [assuming it to be a non-electrolyte]
hence m = ΔTb/Kb
therefore, ΔTf = (KfΔTb)/Kb
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