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A current of 2.68 A is passed for 1.0 ho...

A current of `2.68 A` is passed for `1.0` hour through an aqueous solution of `CuSO_(4)` using copper electrodes.
Which of the following statements is `//` are correct ?

A

Increase in mass of cathode=3.174g

B

Decrease in mass of anode=3.174g

C

No change in masses of electrodes

D

The ratio between the change of masses of cathode and anode is 1:2

Text Solution

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The correct Answer is:
A, B
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GRB PUBLICATION-ELECTROCHEMISTY-Multiple objective type
  1. When a cleaned strip of zinc metal is placed in a solution of CuSO(4),...

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  2. During electrolysis of aqueous CuBr(2) using Pt electrode,

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  3. A current of 2.68 A is passed for 1.0 hour through an aqueous solution...

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  4. Mark out the correct statement(s).

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  5. Mark out the correct statement(s) regarding electrolytic molar conduct...

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  6. If same quantity of electricity is passed through three electrolytic c...

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  7. Which of the following statement(s) is/are correct?

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  8. The reaction (1)/(2)H(2)(g)+AgCl(s)hArrH^(+)(aq)+Cl^(-)(aq)+Ag(s) ...

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  9. Choose the correct satement(s).

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  10. M(s)rarrM^(n+)(aq)+ne^(-) Choose the correct statement(s).

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  11. During the working of a galvanic cell and with the passage of time.

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  12. Given that E(Fe^(2+)//Fe)^(.)=-0.44V,E(Fe^(3+)//Fe^(2+))^(@)=0.77V if...

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  13. In which of the following cell(s): E("cell")=E("cell")^(@)?

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  14. Which is/are correct among the following? Given the half cell EMFs E...

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  15. How long must a current of 4.00 A be applied to a solution of Cu^(2+)(...

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  16. For the cell Cu|CuSO(4)||HCl|H(2)|Pt EMF can be increased by:

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  17. E(A^(+)|A)^(@)=0.5, E(B^(+)|B)^(@)=0.2V, E(C^(+)|C)^(@)=-0.3V, E(D^(...

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  18. E("cell")^(@)=1.1V for Daniel cell. Which of the following expressions...

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  19. Conductivity of an electrolytic solution depends on:

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  20. A(m)^(@)H(2)O is equal to:

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