41.A hydrogen electrode placed in buffer solution of CH3COONA and CH3COONA in the molar ratio c1:c2 and c2:c1 has oxidation potential E1 and E2 volts respectively at 298K(pH2=1atm).The Pka value of acetic acid will given by

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A hydrogen electrode placed in a buffer solution of $C H_{3} C O O N a$ and $C H_{3} C O O H$ in the ratios $x : y$ and $y : x$ has electrode potential values $E_{1}$ volts and $E_{2}$ volts respectively at 25 $^{0}$ C . The $p K_{a}$ value of acetic acid is :

[ $E_{1}$ and $E_{2}$ are oxidation potentials]

Q. A hydrogen electrode placed in a buffer solution of

C H_{3} C O O N a

and acetic acid in the ratios

x : y

and

y : x

has oxidation potential values

E_{1} V

and

E_{2} V

respectively at

25^{\circ} C .

The

p K_{a}

value of acetic acid would be:
(Pressure of

H_{2}

1 a t m

)

A hydrogen electrode placed in a buffer solution of $C H_{3} C O O N a$ and $C H_{3} C O O H$ in the molar ratios x : y and y : x has oxidation potentials $E_{1}$ and $E_{2}$ volts respectively at 298 $K, (p_{H_{2}} = 1 a t m)$ . The $p K_{a}$ a value of acetic acid will be given by