1.

Of the following 0.10 m aqueou solution, which one will exhibit the largest freezing point depression ?

Answer»

KCl
`C_(6)H_(12)O_(6)`
`Al_(2)(SO_(4))_(3)`
`K_(2)SO_(4)`

Solution :`DeltaT_(f)=ixxK_(f)xxm`. As `K_(f)` and m are same for all GIVEN solution.
`DeltaT_(f) propiand i " for "KCl=2," for "C_(6)H_(12)O_(6),i=1," for"`
`Al_(2)(SO_(4))_(3),i=5" and for "K_(2)SO_(4),i=3`.
HENCE, `Al_(2)(SO_(4))_(3)` will show largest freezing point depression.


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