Home
Class 12
CHEMISTRY
Molal depression constant for a solvent ...

Molal depression constant for a solvent is `4.0 K kg "mol"^(-1)` The depression in the freezing point of the solvent for `0.03 "mol kg^(-1)` solution of `K_(2)SO_(4)` is: (Assume complete dissociation of the electrolyte)

A

`0.12K `

B

`0.24 K`

C

`0.36K `

D

`0.18 K`

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaT_(f)=iK_fm`
`= 3xx4 xx0.03`
`=0.36 K`
Promotional Banner

Similar Questions

Explore conceptually related problems

Molal depression constant for a solvent is 4.0 K kg mol^(-1) . The depression in the freezing point of the solvent for 0.5 mol kg^(-1) solution of KI (Assume complete dissociation of the electrolyte) is _______ .

Calculate depression in freezing point of 0.03 m solution of K_(2)SO_(4) (assumed ionised) in a solvent with K_(f)=4K kg "mol"^(-1)

K_(f) of 1,4-"dioxane is" 4.9mol^(-1) for 1000g .The depression in freezing point for a 0.001m solution in dioxane is

The molal depression constant for water is 1.86^(@)C . The freezing point of a 0.05-molal solution of a non-electrolyte in water is

Depression in freezing point of 0.1 molal solution of HF is -0.201^(@)C . Calculate percentage degree of dissociation of HF. (K_(f)=1.86 K kg mol^(-1)) .