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Given below are half-cell reactions...

Given below are half-cell reactions

A

`2.69V`, the reaction will not occur

B

`-2.69 V` , the reaction will occur

C

`-0.33 V`, the reacton will not occur

D

`-0.33 V`, the reaction will occur

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The correct Answer is:
A
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TARGET PUBLICATION-ELECTROCHEMISTRY-COMPETITIVE THINKING
  1. The electrode where de-electronation takes place acts as .

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  2. Standard electrode potential for Sn^(4+)//Sn^(2+) couple is 0.15 V and...

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  3. Given below are half-cell reactions

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  4. The cell reaction of a cell is Mg+Cu^(2+) to Mg^(2+)+Cu (Given E(...

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  5. Standard reduction potential of Au^(3+)//Au and Sn^(4+)//Sn^(2+) elect...

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  6. The e.m.f of galvanic cell , with oxidation potentials of Zn = +0.76 V...

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  7. The E(cell)^(@) value for Pt, H(2)|H^(+)||Ag^(+)|Ag is . [E(Ag//Ag^(+)...

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  8. In the cell Zn|Zn^(2+)(1M)||H^(+)(1M)|H(2(g))|Pt Zn electrode is repla...

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  9. The e.m.f of the following cell, Zn |ZnSO(4) (1M)||H^(+)(1M)|H(2(g))...

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  10. For the electrochemicl cell, M|M^(+)||X^(-)|X E((M^(+)//M))^(@) = 0.44...

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  11. At temperature of 298 K , the e.m.f. of the following electrochemical ...

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  12. In the electrochemical cell: Zn|ZnSO(4)(0.01 M)||CuSO(4)(1.0M)|Cu ...

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  13. Standard electrode potentials are Fe^(2+)//Fe, E^(@) = -0.44 V Fe^...

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  14. Nernst equation for Zn((aq))^(2+)+2e^(-) to Zn((s)) is E(Zn^(2+)//Zn) ...

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  15. Given E(Cr^(3+)//Cr)^(@)=-0.72V, and E(Fe^(2+)//Fe)^(@)=-0.42V The...

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  16. The cell , Zn | Zn^(2+) (1M) || Cu^(2+) (1M) Cu (E("cell")^@ = 1. 10 V...

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  17. What will be the emf for the given cell ? Pt|H(2)(g,P(1))|H^(+)(aq)|...

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  18. The reduction potential of hydrogen half cell will be negative if :

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  19. The pressure of H(2) required to make the potential of H(2^(-)) electr...

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  20. Consider the following cell reaction. 2Fe(s)+O(2)(g)+4H^(+)(aq)rarr2...

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