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When an aqueous solution of copper sulph...

When an aqueous solution of copper sulphate is electrolysed using copper electrodes the reaction at the anode is represented by

A

`Cu rarr Cu^(2+)+2e^-`

B

`4OH^- rarr2H_2O+O_2+4e^-`

C

`Cu_((aq))^(2+)+2e^- rarr Cu_((s))`

D

`4H_2O+4e^- rarr 2H_2+4OH^-`

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CHETANA PUBLICATION-Electrochemistry-EXERCISE
  1. Which of the following reactions would take place at the cathode durin...

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  2. In which of the following electrolysis, electrodes act as active elect...

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  3. When an aqueous solution of copper sulphate is electrolysed using copp...

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  4. Electrochemical equivalent of an element is .

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  5. On passing 3F electricity through three cells containing fused Na2CO3,...

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  6. How may coulombs of electricity are required for the oxidation of one ...

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  7. 1 coulomb of electricity produces m kg of a substance X. The electroch...

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  8. The net electric charge on DNA and histones is

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  9. A copper voltameter, a silver voltameter and a water voltameter are co...

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  10. If x the specific resistance of the solution and N is the normlaity of...

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  11. The reason for increase in electrical conduction of a weak electrolyte...

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  12. According to Kohlrausch law, the limitiing value of molar conductiviit...

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  13. The equivalent conductance of a 1N solution of an electrolyte is near...

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  14. The decrease in electrical conductivity of metals with increase in tem...

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  15. In a galvanic cell electron flow will be from.

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  16. In an experimetal set up, for the measurement of emf of a half cell us...

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  17. The standard reduction potential (E^@),0.34V for copper pertains to th...

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  18. Daniell cell is shown as

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  19. The wrong statement regarding "Electro chemical series" is.

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  20. Write Nernst equation and explain the terms involved in it.What part o...

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