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Zn can displace :-...

Zn can displace :-

A

`Mg^(2+)` form its aqueoius solution

B

`Cu^(2+)` form its aqueoius solution

C

`Na^(+)` form its aqueous solution

D

`AI^(+3)` form its aqueous solution

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

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  2. Ast equilibrium

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  3. Zn can displace :-

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

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

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

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

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

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  9. 240 coulombs of electricity is passed through a soluton of dilute supl...

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

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

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

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

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

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

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  16. Electrolysis of an 1 M HCI solution liberates

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

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  18. Which of the folloiwng soluttion is used as na antirusting solution?

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  19. In a hydrogen oxygen fuel cell 67.2 litre of H(2) at STP is used in 15...

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  20. In an electroplating experiment, m gm of silver is deposited when 4 am...

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