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Write Nernst equation for electrode pote...

Write Nernst equation for electrode potential for the following electrodes :
(b) `Fe^(2+)rarr Fe^(3+)+e`

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Write Nernst equation for electrode potential for the following electrodes : (a) Zn^(2+)+2e rarr Zn

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Given : Zn^(2+)(aq)+2e rarr Zn(s), E^(@)=-0.76V and Fe^(2+)(aq)+2e rarr Fe(s), E^(@)=-0.44V . At standard conditions, what cause minimum external potential be required to cause the following reaction : Fe(s)+Zn^(2+)(aq)rarr Fe^(2+)(aq)+Zn(s) ?

Write the expression for the equilibrium constant, K_(c) for each of the following reactions: Fe^(3+)(aq)+3OH^(-)(aq)hArr Fe(OH)_(3)(s)

Write down the appropriate Nernst equation for the following voltaic cell and calculate the e.m.f. of the cell at 298 K. Fe(s)|Fe^(2+)(0.002M)||Ag^+(0.02M)|Ag (s) (Given : E_(Fe^(2+)//fe)^@ =-0.44V and E_(Ag^+//Ag)^@ =0.80V at 298 K) 1+2

Write down the appropriate Nernst equation for the following voltaic cell and calculate the e.m.f. of the cell at 298 K. Fe(s)|Fe^(2+)(0.002M)||Ag^(+)(0.02M)|Ag(s) ["Given, "E_(Fe^(2+)|Fe)^(@)=-0.44V and E_(Ag^(+)|Ag)^(@)=+0.80V" at 298K"]

CHHAYA PUBLICATION-ELECTROCHEMISTRY-EXERCISE (SHORT ANSWER-TYPE QUESTIONS)
  1. At a definite temperature, with the same conductivity cell, the specif...

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  2. Write Nernst equation for electrode potential for the following electr...

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  3. Write Nernst equation for electrode potential for the following electr...

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  4. For the following electrode reaction, write Nernst equation of electro...

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  5. A platinum foil coated with platinum black is dipped in an acid soluti...

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  6. A galvanic cell has two electrodes, X^(n+)|X and Y^(n+)|Y. It is seen ...

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  7. The standard reduction potential of Zn is -0.76V and that of Cu is +0....

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  8. Can CuSO(4) solution be stored in a zinc container?

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  9. What do you understand by EMF and standard EMF of a galvanic cell? Wri...

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  10. How can the equilibrium constant of the cell reaction be determined wi...

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  11. For the galvanic cell, Cu|Cu^(2+)(0.13M)||Ag^(+)(0.01M)|Ag (i) Deter...

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  12. For the galvanic cell, Cu|Cu^(2+)(0.13M)||Ag^(+)(0.01M)|Ag (ii) Is t...

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  13. Zinc replaces hydrogen from acid solution and hydrogen produces silver...

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  14. Are the following reactions spontaneous? (a) Fe+Mg^(2+)rarr Fe^(2+)+...

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  15. Are the following reactions spontaneous? (b) Cd+Cl(2)rarr Cd^(2+)+2C...

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  16. H(2)(g)+Cu^(2+)(aq)rarr Cu(s)+2H^(+)(aq). The above reaction occurs in...

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  17. 2Cr(s)+3Sn^(2+)(aq)rarr 2Cr^(3+)(aq)+3Sn(s). The reaction occurs in a ...

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  18. Find the stronger oxidising agent in each pair, stating reason. (a) ...

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  19. Find the stronger oxidising agent in each pair, stating reason. (c) ...

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  20. Find the stronger oxidising agent in each pair, stating reason. (d) ...

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