The freezing point of a 0.1M formic acid aqueous is `-0.2046^oC`. Find equilibrium constant of the reaction-
`HCOO^- (aq.)+H_2O (l) ⇌ HCOOH(aq.)+OH^- (aq.)`
Given : `K_f (H_2O)` = 1.86 K-kg mol`e^-1`
Assume solution to be very dilute

The freezing point of a 0.1M formic acid aqueous is `-0.2046^oC`. Find equilibrium constant of the reaction-

`HCOO^- (aq.)+H_2O (l) ⇌ HCOOH(aq.)+OH^- (aq.)`

Given : `K_f (H_2O)` = 1.86 K-kg mol`e^-1`

Assume solution to be very dilute

`1 xx 10^(-3) M`

`9 xx 10^(-12) M`

`9 xx 10^(-13) M`

`1 xx 10^(-11) M`

The freezing point of a 0.1M formic acid aqueous is `-0.2046^oC`. Find equilibrium constant of the reaction-`HCOO^- (aq.)+H_2O (l) ⇌ HCOOH(aq.)+OH^- (aq.)`Given : `K_f (H_2O)` = 1.86 K-kg mol`e^-1`Assume solution to be very dilute