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A hydrogen electrode placed in a solutio...

A hydrogen electrode placed in a solution containing sodium acetate and acetic acid in the ratio of `x:y` and `y:x` has an electrode potential value `E_(1)` and `E_(2)` volts, respectively, at `25^(@)C`. The `pK_(a)` value of acetic acid is

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The correct Answer is:
`(E_(1) + E_(2))/(0.118) ;`
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A hydrogen electrode placed in a solution containing sodium acetate and acetic acid in the ratio of x:y and y:x , ahs electrode potential values of -1.5 and -0.5V , respectively. What is the pK_(a) value of acetic acid?

A hydrogen electrode placed in a buffer solution of sodium cyanide and HCN in the ration of x:y and Y:x has electrode potential value a and b volts, respectively, at 25^(@)C . If the difference a-b=35.52mV, what is the ratio of y:x.

A hydrogen electrode placed in a solution containing CH_(3)COOK and CH_(3)COOH in the ration a:b and b:a has electrode potential values of -1.59 and +1.0V, respectively. Calculate pK_(a) of CH_(3)COOH.

A hydrogen electrode X was placed in a buffer solution of sodium acetate and acetic acid in the ratio a:n and another hydrogen electode Y was placed in a buffer solution of sodium acetate and acetic acid in the ratio b:a . If reduction potential values for two cells are found to be E_(1) and E_(2) respectively w.r.t standard hydrogen electrode, the pK_(a) value of the acid can be given as:

A hydrogen electrode X was placed in a buffer solution of sodium acetate ad acetic acid in the ratio a:b and another hydrogen electrode Y was placed in a buffer solution of sodium acetate ad acetic in the ratio b:a if reduction potential values for two cells are found to be E_(1) and E_(2) respectively w.r.t. standard hydrogen electrode, the pK_(a) value of the acid can be given as (A) (E_(1)-E_(2))/(0.118) (B). -(E_(1)+E_(2))/(0.118) (C). (E_(1))/(E_(2))xx0.118 (D). (E_(2)-E_(1))/(0.118)

P BAHADUR-ELECTROCHEMISTRY-Exercise (9) ADVANCED NUMERICAL PROBLEMS
  1. A hydrogen electrode placed in a solution containing sodium acetate an...

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  2. A current of 0.5 A is passed through acidulated water for 30 minute. C...

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  3. A copper cell containing 5% solution of CuSO(4).5H(2)O and a silver ce...

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  4. Some quantity of electricity being used to liberate iodine (at anode) ...

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  5. A test for complete romovel of Cu^(2+) ions form a solution of Cu((aq....

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  6. A Zn rod weighing 25g was kept in 100 mL of 1M CuSO(4) solution. After...

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  7. Assume that impure copper contains only Fe, Au and Ag as impurities. A...

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  8. 50 mL of 0.1 M CuSO(4) solution is electrolysed using Pt electrodes wi...

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  9. An oxide of metal ("at. wt. "= 112) contain 12.5% O(2) by weight. The ...

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  10. 19g fused SnCl(2) was electrolysed using inert electrodes. 0.119g Sn w...

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  11. A lead storage cell is discharged which causes the H(2)SO(4) electroly...

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  12. Two litre solution of a buffer mixture containing 1.0 M NaH(2)PO(4) an...

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  13. A current of 40 microampere is passed through a solution of AgNO(3) fo...

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  14. Suppose a fully charged battery containes 1.50 litre of 5.0 M H(2)SO(4...

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  15. In an analytical determination of aresenic , a solution containing are...

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  16. Assuming that a constant current is delivered, how many kW-h of electr...

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  17. Find the e.m.f. of the following cell at 18^(@)C taking the degree of ...

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  18. If it is disreed to construct the following voltaic cell to have E(cel...

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  19. The e.m.f. of the obtained by combining Zn and Cu electrodes of Danie...

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  20. Calcualte the potential of an indicator electrode versus the standard ...

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  21. An electrode is prepared by dipping a silver strip into a solution sat...

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