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Which of the following reaction canno...

Which of the following reaction cannot be a base for electrochemical cell ?

A

Zn

B

Tin

C

both a and b

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
Zn protect better because oxidation potential of Zn is greater than that of tin but it less than that of iron
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ELECTROCHEMISTRY-Exercise 2
  1. The Edision storage cell is represented as Fe(s)|FeO(s)|KOH(aq)|Ni(2...

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  2. The standard reduction potentials at 298 K for the following half ...

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  3. Which of the following reaction cannot be a base for electrochemi...

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  4. Standard electrode potential data are useful for understanding the s...

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  5. Zn|Zn^(2+)(a=0.1 M)||Fe^(2+)(a=0.01M)|Fe the emf of the above cell i...

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  6. Condider the following statement I Metallic electrodes are dipped ...

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  7. Nernst equation for the reaction aA+bBoverset("ne"-)rarr cC+ dD is ...

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  8. Calculate the equilibrium costant log (K(c)) for the reaction Zn(s...

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  9. Match the terms given in column I with the items given in column II...

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  10. Electrode potential for Mg electrode varies according to the euation...

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  11. The cell Zn | Zn^(2+)(1 M)||Cu^(2+)(1 M)|Cu E("cell")^(@)=1.10 V w...

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  12. Using the standart electrode potential find out the pair between whi...

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  13. Calculate the potential corresponding to the following cell Pt|Co^(...

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  14. For hydrogen oxygen fuel cell at atm and 298 K H(2)g+1/2O(2)(g)rarrH...

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  15. which of the following statement is true for the electrochemical ...

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  16. Standard free energies fo formation (in kJ/ mol) at 298 K are -237.2 -...

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  17. Which of the followng reaction is used to make a fuel cell

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  18. The cell reaction of the galvanic cell Cu(s)|Cu^(2+)(aq)||Hg^(2+)(aq...

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  19. Matach column I with column II related to the figure given below and...

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  20. Which of the following reaction cannot be a base for electrochemical...

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