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Use the data given in Q.8 and find out t...

Use the data given in Q.8 and find out the most stable ion in its reduced form.

A

`Cl^(-)`

B

`Cr^(3+)`

C

`Cr`

D

`Mn^(2+)`

Text Solution

Verified by Experts

`E_(MnO_(4)^(2+))^(@)` has +ve value equal to 1.51V which is highest among given four choices. So `Mn^(2+)` is most stable ion in its reduced form.
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NCERT EXEMPLAR ENGLISH-ELECTROCHEMISTRY-All Questions
  1. Given E("Cr(2)O(7)^(2-)//Cr^(3+))^(@)=1.33V,E(MnO(4)^(-)//Mn^(2+))^(@)...

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  2. Using the data given below: E(Cr(2)O(7)^(2-)|Cr^(3+))^(@)=1.33V E(Cl...

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  3. Use the data given in Q.8 and find out the most stable ion in its redu...

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  4. Using the data given below: E(Cr(2)O(7)^(2-)|Cr^(3+))^(@)=1.33V E(Cl...

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  5. The quantity of charge required to obtain one mole of aluminium from A...

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  6. The cell constant of a conductivity cell

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  7. While charging the lead storage battery: (a)PbSO(4) anode is reduced...

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  8. ^^(m((NH(4)OH)))^(o) is equal to (a)Lambda(m)^(@)(NH(4)OH)+Lambda(m...

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  9. In the electrolysis of aqueous sodium chloride solution which of the h...

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  10. The positive value of the standard electrode potential of Cu^(2+)//Cu ...

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  11. Potential for some half cell reactions are given below. On the basis o...

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  12. E("cell")^(@)=1.1V for Daniel cell. Which of the following expressions...

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  13. Conductivity of an electrolytic solution depends on:

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  14. Lambda(m)^(@)H(2)O is equal to:

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  15. What will happen during the electrolysis of aqueous solution of CuSO(4...

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  16. What will happen during the electrolysis of aqu eous solution of CuSO(...

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  17. Conductivity k, is equal to ......

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  18. Molar conductivity of ionic solution depends on ........

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  19. For the given cell, Mg|Mg^(2+)||Cu^(2+)|Cu (a)Mg is cathode (b)Cu i...

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  20. Can absolute electrode potential of an electrode be measured?

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