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The freezing point of a 0.05 molal solut...

The freezing point of a 0.05 molal solution of a non-electrolyte in water is `[K_(f)=1.86K//m]`

A

`-1.86^(@)C`

B

`-0.93^(@)C`

C

`-0.093^(@)C`

D

`0.93^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaT_(f)=k_(f)xxm=1.86xx0.05`
`:.DeltaT_(1)=0.093^(@)C`
`T_(2)-T_(1)=DeltaT_(f)`
`0^(@)C-T_(1)=0.093^(@)C`
`:.T_(1)=-0.093^(@)C`
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