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An aq. solution of phenol is weakly acid...

An aq. solution of phenol is weakly acidic. Ka of phenol at 298 K is `1 times 10^(-10)`. The degree of dissociation of 0.05 M phenol in a 0.01 M sodium phenolate solution is

A

`5 times 10^(-8)`

B

`2.2 times 10^(-6)`

C

`5 times 10^(-10)`

D

`1 times 10^(-8)`

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