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For the self-ionisation (protonation) pr...

For the self-ionisation (protonation) process liquid formic acid at `20^(@)`C.
`HCOOH+HCOOHto HCOOH_(2)^(+)+HCOO^(-)`
the equilibrium constant,
`K=([HCOOH_(2)^(+)][HCOO^(-)])/([HCOOH]^(2))=10^(-10)`
At `20^(@)`C, the density of liquid formic acid is 0.92 gm/mL.
What percentage of formic acid molecules are self ionised?

A

`0.02%`

B

`0.001%`

C

`0.005%`

D

`0.002%`

Text Solution

Verified by Experts

The correct Answer is:
d
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