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Given that E(cu^(+2)//cu)^(@)=+0.34 V ...

Given that `E_(cu^(+2)//cu)^(@)=+0.34 V`
`E_(Mg^(+2)//Mg)^(@)=-2.37V` which of the following correct

A

Cu can oxidized `H_(2)` into `H^(+)`

B

`Mg^(+2)` can be reduced by `H_(2)`

C

Cu can reduce an `Mg^(+2)` ion

D

`Cu^(+2)` can be reduced by `H_(2)`

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AAKASH INSTITUTE ENGLISH-ELECTROCHEMISTRY -Assignment (SECTION A) Objective Type Questions (One option is correct)
  1. Which of the following releations is correct ?

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

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

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  4. Which of the following expression is correct?

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  5. Ast equilibrium

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  6. Zn can displace :-

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  7. Gas electrodes utilize the phenomenon of adsorption of gas molecules b...

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  8. Calculate the emf of the following cell at 25^(@)C Ag(s)|AgNO(3) (0.0...

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

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

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

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  12. 240 coulombs of electricity is passed through a soluton of dilute supl...

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

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

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

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  16. How many faradays are required to reduce one mole of Cr(2)O(7)^(-2)to ...

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

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  18. The charge required to liberate 11.5 g sodium from fused sodium chlori...

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  19. Electrolysis of an 1 M HCI solution liberates

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  20. A fused mixture of NaF and HF on electrolysis produces

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