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Given below the half cell reactions Mn...

Given below the half cell reactions
`Mn^(2+)+2e to Mn, E^@=-1.18V`
`2(Mn^(3+)+e to Mn^(2+)), E^@=+1.51 V`
The `E^@` for , `3Mn^(2+) to Mn + 2Mn^(3+)` will be

A

`-2.69V` the reaction will not occur

B

`-2.69V` the reaction will occur

C

`-0.33 V` the reaction will not occur

D

`-0.33V` the reaction will occur

Text Solution

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BODY BOOKS PUBLICATION-ELECTROMOTIVE FORCE -EXERCISE
  1. From the following E^@ values of half cells, (i) A+e to A^(-) , E^@=...

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  2. From the following E^@ values of half cells (i) A to A^(+)+e, E^@=+1...

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  3. From the following E^@ values of half cells (i) A^(3-)to A^(2-) +e,...

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  4. IF the following half cells have the E^@ values as Fe^(3+)+e to Fe^(...

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  5. E^@ (red.) values of the half cells Mg^(2+)//Mg and Cl2//Cl^- are resp...

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  6. For the cell reaction Zn(s)+Mg^(2+) (1M)=Zn^(2+) (1M) +Mg, the emf has...

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  7. E^@ for F2+2e=2F^(-) is 2.8V, E^@ for 1/2 F2+e=F^(-) is

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  8. Delta G^@ of the cell reaction AgCl(s)+1/2H2(g)=Ag(s)+H^+ +Cl^(-) is ...

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  9. The value of equilibrium constant for the feasible cell reaction is

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  10. E^@ for the reaction Fe+Zn^(2+)=Zn+Fe^(2+) is -0.35 V. The given cell...

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  11. A galvanic cell is composed of two hydrogen electrodes, one of which i...

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  12. 1/2 H2(g)+AgCl(s)=H^+ (aq)+Cl^(-) (aq)+Ag(s) occurs in the galvanic c...

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  13. For the cell Tl|Tl^(+) (0.001M) ||Cu^(2+) (0.1M) |Cu. E(cell) at 25^@C...

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  14. (i) E^@ (Cu^(2+),Cu)=0.34V (ii) E^@(Cu^+,Cu)=+0.52V (iii) E^@[O2(...

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  15. Given below the half cell reactions Mn^(2+)+2e to Mn, E^@=-1.18V 2...

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  16. In a galvanic cell, the salt bridge

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  17. Galvanisation is applying a coating of

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  18. For the following electrochemical cell at 298 K Pt (s)|H2(g) (1 ba r...

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  19. Given: E(Cl2,Cl^-)^@=1.36V, E(Cr^(3+),Cr)^@=-0.74V E(Cr2O7,Cr^(3+))^...

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  20. For the following cell Zn(s)|ZnSO4 (aq) ||CuSO4 (aq)|Cu(s) When [Z...

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