Which one of the following has maximum boiling point?

Which one of the following has maximum boiling point?
  1. 0.2 M NaOH
  2. 0.2 M Na2CO3
  3. 0.1 M AgNO3
  4. 0.1 M (NH4)2SO4.FeSO4.6H2O

Solution

ΔTb=Kb(im) .
The value of (im) is maximum for 0.2 M Na2CO3(i=3).
Hence, ΔTb is maximum for 0.2 M Na2CO3 . Consequently, 0.2 M Na2CO3 has maximum boiling point.

Asked in: JEE-TOPICTESTS-CHEMISTRY

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