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For a general electrochemical reaction o...

For a general electrochemical reaction of the type
`alphaA+bB overset(n e^(-))(hArr)cC+dD`
Nernst equation can be written as

A

`DeltaG=-DeltaG^(@)+RTIn([C]^(c )[D]^(d))/([A]^(a)[B]^(b))`

B

`E=E^(@)-(RT)/(nF)In([C]^(c )[D]^(d))/([A]^(a)[B]^(b))`

C

`E^(@)=E-(RT)/(nF)In([C]^(c )[D]^(d))/([A]^(a)[B]^(b))`

D

`DeltaG=-DeltaG^(@)-(RT)/(nF)In([C]^(c )[D]^(d))/([A]^(a)[B]^(b))`

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AAKASH INSTITUTE-ELECTROCHEMISTRY -Assignment (SECTION A) Objective Type Questions (One option is correct)
  1. The potential of hydrogen electrode having a pH=10 is

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  2. If a cell reaction is spontaneous, then :

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  3. For a general electrochemical reaction of the type alphaA+bB overset...

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  4. Which of the following releations is correct ?

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  5. Which of the following represents the electrodes of the first kind ?

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  6. Given that E(cu^(+2)//cu)^(@)=+0.34 V E(Mg^(+2)//Mg)^(@)=-2.37V whic...

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  7. Which of the following expression is correct?

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  8. Ast equilibrium

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  9. Zn can displace :-

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  10. Gas electrodes utilize the phenonmennon of adsorption of gas molecurs ...

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  11. Calculate the emf of the following cell at 25^(@)C Ag(s) |Ag+ (10^(-3...

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  12. The value of the reaction quotient Q for the cell Zn(s)|Zn^(2+)(0.01M)...

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  13. Which of the following is the most powerful reducing agent ?

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  14. For 2/3AI(2)O(3)rarr 4/3AI+O(2)DeltaG=-966 KJ at 500^(@)C The potent...

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  15. 240 coulombs of electricity is passed through a soluton of dilute supl...

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  16. The electrochemical equivalent of zinc (atomic mass = 65.4) is

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  17. During the electrolysis of aqueous nitric acid solution using Pt elect...

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  18. How much time will be required for a current of 0.2 amp to deposit all...

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  19. How many faradys are required to reduce one mole of Cr(2)O(7)^(-2)to C...

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  20. Calculate the qunatity of electricity(in colulombs) necessary to depos...

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