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Write any two demerits of standard hydro...

Write any two demerits of standard hydrogen electrode.

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(i) It is difficult to maintain the pressure of `H_2` gas exactly at 1atm.
(ii) Maintaining the `H^+` ion concentration at unity is difficult.
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OSWAAL PUBLICATION-ELECTRO-CHEMISTRY -Topic -2 REDOX REACTION, ELECTROCHEMICAL CELL, GALVANIC CELL, EMF OF CELL, STANDARD ELECTRODE POTENTIAL, NERNST EQUATION (SHORT ANSWER TYPE QUESTIONS)
  1. Standard EMF of the cell: Cu||Cu^(2+) (1m)||Ag^(+) (1m)|Ag is 0.46...

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  2. Calculate the electrode potential developed when a silver electrode in...

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  3. Draw a neat labeled diagram of Standard Hydrogen Electrode (SHE). Writ...

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  4. Calculate DeltarG^@ for the following reactions: Fe^(+2) (aq)+Ag^(+)...

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  5. The value of equilibrium constant Kp for the reaction CO(g)+H2O(g) l...

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  6. Write Gibb's free energy equation and name the terms in it.

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  7. Write any two demerits of standard hydrogen electrode.

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  8. Calculate standard free energy change at 300K for a reaction whose equ...

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  9. Calculate the standard free energy change for a reaction at 273K, if t...

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  10. Write Gibb's Helmholtz equation. For a process , if Delta H and T Delt...

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  11. The equilibrium constant Kp for the, A+B leftrightarrow C+D is 8.25 at...

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  12. Write the relationship between standard free energy change and the equ...

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  13. A solution of Ni (NO3)2 is electrolysed between platinum electrodes us...

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  14. The conductivity of 0.20M solution of KCl of 298K is 0.0248 S cm^-1. C...

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  15. The standard electrode potential (E^@) for Daniel cell is +1.1V. Calcu...

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  16. The conductivity of 0.20M solution of KCL at 298K is 0.025 S cm^-1. Ca...

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  17. For the cell Zn(s)|Zn^(2+) (2M)||Cu^(2+) (0.5 M)|Cu(s) (a) Write e...

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  18. Give that the standard electrode potentials (E^@) of metals are: K^+...

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  19. Two half reactions of an electro-chemical cell are given below: MnO4...

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