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If phi denotes reduction potential, then...

If `phi` denotes reduction potential, then which is true ?

A

`E_("cell")^(@)= phi_("right")-phi_("left")`

B

`E_(cell)^(@)=phi_("left")+phi_("right")`

C

`E_(cell)^(@)=phi_("left")-phi_("right")`

D

`E_(cell)^(@)= - (phi_("left")+phi_("right"))`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-ELECTROCHEMISTRY -PRACTICE EXERCISE
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  2. At infinite dilution molar conductivity of Ba^(2+) and Cl^(-) ions ...

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  6. How much will the reduction potential of Zn//Zn^(2+) change if the sol...

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  7. E(1//2Cl(2)|Cl^(-))^(@)= + 1.36V. The single electrode potential of P...

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  8. The e.m.f of the cell, Ni//Ni^(2+)(1M)////Cl^(-)(1M)//Cl(2),Pt is ...

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  9. The standard reduction potential for Fe^(2+)|Fe and Sn^(2+)|Sn elect...

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  10. The emf of the involving the reaction 2Ag((aq))^(+)+H(2(g)) rarr Ag((s...

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  11. Cr(2)O(7)^(2-) + I^(-) rarr I(2)+Cr^(3+) E(cell)^(@)=0.79V,E(Cr(2)O(7)...

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  12. The potential of hydrogen electrode at pH=10 and 25^(@)C is

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  13. For the cell reaction, Mg((s))+Cu((aq))^(2+) rarr Cu((s)) +g^(2+)(aq...

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  14. The emf of galvanic cell of the reaction Zn+Cu^(2+)rarr Zn^(2+) + Cu i...

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  15. E(cell)^(@) is 1.89V for the reaction 2Ce^(4+) +Co rarr 2Ce^(3+)+Co...

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  16. What is the potential of half-cell consisting of zinc electrode in 0.0...

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  17. Al^(3+)(aq)+3e^(-) rarr Al(s)E^(@)=-1.66V Cu^(2+)(aq)+2e^(-) rarr Cu...

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  18. If the solution of copper sulphate in which a copper rod is immersed,...

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  19. E.m.f. of the cell Zn|Zn^(2+)(1)||Cu^(2+)(1M)|Cu is 1.1 volt. If the s...

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  20. What is the electrode potential (in V) of the following electrode at ...

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