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A 0.2 molar aqueous solution of a weak...

A 0.2 molar aqueous solution of a weak acid (HX) is `20%` ionised . The freezing point of the solution is:
`(Given: K_(f)=1.86^(@) C kg" "mol^(-1)" for water")`

A

`-0.45^(@) C`

B

`-0.90^(@) C`

C

`-0.31^(@) C`

D

`-0.05 ^(@) C`

Text Solution

Verified by Experts

The correct Answer is:
A
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