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The freezing pont depression of a -0...

The freezing pont depression of a `-0.2046^(@)`C . What is the equlibrium constant for the reaction at 298 K ?
`HCOO^(-)(aq) + H_(2) O(l)iffHCOOH(aq) + OH^(-) (aq)`
`(Given : K_(f) (H_(2)O)=1.86 K kg mol^(-)`, " Molartiy = molality")

A

`1.1xx10^(-3)`

B

`9xx10^(-12)`

C

`9xx10^(-13)`

D

`1.1xx10^(-11)`

Text Solution

Verified by Experts

The correct Answer is:
B
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